In your opinion is selective breeding ... - Course Hero Level 3: Selective Breeding & Transgenesis Biotechnology includes any use of science or technology to alter the characteristics of a particular breed or animal. Selective breeding - Feeding the human race - OCR Gateway ... Selective breeding. Humans have bred food crops from wild plants and domesticated animals for thousands of years. cpb-us-e1.wpmucdn.com It requires no company patent. For example: cows that produce lots of milk, chickens that produce large eggs, wheat plants that produce lots of new varieties may be economically important. Selective Breeding Selective breeding takes place over many generations. This plant breeding began in about 1974, using the same ways of doing things that people have used for at least 10,000 years to tame/control and improve crops for human use (p. 65). See more ideas about biology revision, science revision, biology. This is a live link. Stage 5 Science Research and Presentation (002).docx ... O3. Remember to use: good keywords ; quote marks " "to keep your names together; take away anything you don't want (such as Wikipedia) like this -wikipedia ; and to glue your search terms together Describe the process of selective breeding in plants and animals. Variation and evolution - BBC Bitesiz. and genetic engineering - that are resistant to TMV. Use the name MRS. GREN as an easy way to remember all 7 life processes. Here is the process of selective breeding: Choose two from your stock with the characteristics you desire. A variety is a type of a particular species that is different in some clear way from other varieties of that species. Selective Breeding Crosses | S-cool, the revision website It occurs when animals or plants with a desirable characteristic are selected to breed with each other. Some of the worldâs most popular dogs are products of selective breeding: Dalmatian, English Bulldog, Boston Terrier, Vizsla. or artificial selection is when humans breed plants and animals for particular genetic characteristics. Artificial Selection Selective Breeding Plant scientists have now also produced varieties of crops - by selective breeding. List of Pros of Selective Breeding. Bitesize - Mrs. Alvarez's Class Selective breeding. Fruits can be seedless, ... BBC Bitesize. 1. People use selective breeding to produce new varieties of a species, so that certain desirable traits are represented in successive generations. Selective breeding of plants takes place in the same way as selective breeding of animals. This allows some members of a species to be better adapted to an environment and so evolution can then occur by natural selection. Source for some: BBC Bitesize Learn with flashcards, games, and more â for free. List of Pros of Selective Breeding. Basically, it is performed through controlled breeding. Selective breeding It is straight forward enough. Increased crop yield. Farmers are constantly trying to breed plants with a high yield, disease resistance and the ability to grow in poor soil. LO: Explain why humans selectively breed plants and animals. large or unusual flowers. This GCSE BBC Bitesize video is from the original programmes from 2000 that were broadcast on BBC2. Describe the process of selective breeding and give examples. Animals must feed on plants or other animals. BBC Bitesize | Feeding the human race - Selective breeding â Selective breeding or artificial selection is when humans breed plants and animals for particular genetic characteristics. 2022. Search the BBC Search the BBC. 'bbc gcse bitesize selective breeding april 26th, 2018 - natural selection and selective breeding can both produce changes in animals and plants the difference between the two is that natural selection occurs in nature but selective breeding only occurs when humans intervene selective breeding is a process where we choose the characteristics we Add to My Bitesize Revise Test 1 2 3 Selective breeding Selective breeding is the traditional method for improving crops and livestock, such as increasing disease ⦠Genes and their different alleles within a population are known as its gene pool. Pros and Cons - Artificial selection of plants though selective breeding . Selective breeding. Selective breeding - Natural selection and selective breeding - GCSE Biology (Single Science) Revision - BBC Bitesize. The process of selective breeding (or artificial selection) occurs when humans breed organisms to create offspring with a specific set of traits.. Click the "Artificial vs. Natural Selection" box to view an interactive presentation. Go to Science in Context. Plants are selectively bred by humans for development of many characteristics, including: Disease resistance in food crops. You can then make use of the theory to help you improve the plants or animals. Artificial selection is a method used by humans to produce varieties of animals and plants which have an increased economic importance. This could effect the survival of the population. Selective breeding takes place over many generations. Banner 3 B14.3 Selective Breeding AQA GCSE Biology B14 Variation and Evolution: Kerboodle Answer Page no. 223 1 a Selective breeding is all about getting the characteristics you want in animals and plants. Selective breeding or artificial selection is when humans breed plants and animals for particular genetic characteristics. Search â transgenesis or choose from the pop-up subject list e.g. These are the main steps involved: 1. decide which characteristics are important enough to select 2. choose parents that show these characteristics 3. choose the best offspring from parents to produce the next generation 4. repeat the process continuously PreviousNext Animals can be selectively bred to take less development time before they enter the human food chain. Page 1 of 2. The difference between the two is that natural selection occurs in nature, but selective breeding only occurs when humans intervene. Yara Nasser C. Crews, D. Clarke, in Encyclopedia of Food Safety, 2014 Mitigation. Selective breeding is a form of genetic modification which doesnât involve the addition of any foreign genetic material (DNA) into the organism. Humans have bred food crops from ⦠Hardiness to weather conditions (eg. As such, you just need to be well-equipped with the knowledge of the process in ⦠In plants, a gene is injected into a single cell that is grown from a seed into a plant. Fruits can be seedless, ... BBC Bitesize. Explore. Sign up. Since the beginnings of agriculture, farmers have had an awareness of the ways breeding certain individuals will bring about desirable offspring. Selective breeding has created all the different breeds of dogs for example. chickens that produce large eggs. 2 a Selective breeding reduces variation in the alleles of a breed of animals or plants as selective breeding usually reduces genetic diversity as only a select few individuals are used to produce very large numbers of offspring. Artificially Selecting Dogs. Then choose the best animals in their offspring (F1 generation). What are 4 advantages of selective breeding in plants? Breed the two. STUDY. The table below shows these seven LIFE PROCESSES. increased crop yield. Evaluate the use of selective breeding in food plants and domesticated animals. 2. Variation within species caused by genetic mutation can be inherited. Selective breeding. The Pros of Selective Breeding. transgene (s); transgenic; transgenic plants; transgenic lines.Select from the results. Nutrition Plants make their own food by a process called PHOTOSYNTHESIS. Part of Biology (Single Science) Inheritance, variation and evolution This allows them to ⦠For example, suppose you were a farmer who wanted a variety of cow that produced a lot of milk. Plants are bred to produce more fruits and vegetables through selective breeding. These are the main steps for both plants and animals involve: Decide which characteristics are ⦠Genes and their different alleles within a population are known as its gene pool. increased crop yield. Humans and the environment. hardiness to weather conditions (eg. ... advantages and disadvantages of selective breeding bbc bitesize selective breeding examples advantages of selective breeding in dogs. Jul 13, 2019 - Explore Yara Nasser's board "Herbs" on Pinterest. Click on FOAM TREES. However, sometimes, these breeding might also result in degradation of quality. A quick way to find out more about NZ plants is to do an internet search but remember to think critically about which websites you use.For example, the Science Learning Hub website is probably more reliable than Wikipedia. Humans select individual plants or animals with desirable characteristics (such as increased crop yield, disease resistance and longer shelf life). Humans have bred food crops from wild plants and domesticated animals for thousands of years. Science Department Absence Learning Overview Year 9 Week Beginning Topic Seneca Links Additional Resources 31/08/20 Cells Biology 1.1.1 - Types of cells Biology 1.1.3 - Animal and drought tolerance) better tasting fruits. BBC Teach > Secondary Resources Stefan Gates reveals the ways in which plant breeders can speed up natural selection, selecting for the characteristics that make our food crops better to eat, or easier to farm and manage. Explain how burning fossil fuels results in the melting of the polar ice caps. Biology. -burning fossil fuels releases carbon dioxide into the atmosphere. Check out this video on Selective Breeding on Dogs Check out this interactive activity on Cloning Video clip "Human Cloning" A fun Cloning A Mouse activity from University of Utah Cloning from S-Cool Cloning from BBC Bitesize Learning Outcomes: Understand that plants with desired characteristics can be developed by selective breeding 2. Please contact Saskia Hill, CHS Library Manager, if you wish to republish. Biology BBC Bitesize Questions. PLAY. Selective breeding is when humans choose which animals or plants breed together. Selective breeding It is straight forward enough. Different varieties of plants and animals with desired characteristics can be developed by selective breeding.For example: cows that produce lots of milk. Selective breeding can produce plants that have a better resistance to pests or disease. Genetic modification involves the movement of genes from one organism to another. 2015. ... BBC Bitesize. BBC Bitesize | Feeding the human race - Selective breeding â Selective breeding or artificial selection is when humans breed plants and animals for particular genetic characteristics. HINT: Selective breeding is when organisms are bred for the purpose of passing on specific or favorable traits to the next generation. For example, two dogs with soft fur. But like any other agricultural method (though they are supposedly designed to offer advantages for society), it also has its own set of disadvantages. Because of selective breeding, future generations of selectively bred plants and animals will all share very similar genes which will reduce variation. admin Send an email February 6, 2022. You can then make use of the theory to help you improve the plants or animals. Selective breeding is used to hereditarily encourage beneficial characteristics on both animals and plants. What is biological control? Dec 11, 2014 - Study the functions of the human skeleton and muscular systems with BBC Bitesize KS3 Science. Crops can be selectively bred to bring a yield to harvest in a faster time. Mankind has been genetically engineering organisms for thousands of years. 1 a Selective breeding is all about getting the characteristics you want in animals and plants. Students begin by examining canine features and their functions. Selective breeding of certain varieties of plant species with naturally low glycoside content has resulted in varieties that are low in cyanogenic glycoside, and has increased their food value for humans and animals. A similar process is applied for plant breeding where wild plants are domesticated into uniform and predictable agriculture. The Truth Behind Selective Breeding. Plants are bred to produce more fruits and vegetables through selective breeding. Selective breeding is the process of choosing the best animals and plants and breeding them together, in the hope of getting even better offspring. Lesson for Inheritance, Variation and Evolution Chapter in new AQA Biology GCSE. 1. Humans and the environment Classroom videos. It is free. [read more at BBC Bitesize] Overview of the Digestive System The digestive system, which extends from the mouth to the anus, is responsible for receiving food, breaking it down into nutrients (a process called digestion), absorbing the nutrients into the bloodstream, and eliminating the indigestible parts of food from the body. Because of selective breeding, future generations of selectively bred plants and animals will all share very similar genes which will reduce variation. Artificial selection is a method used by humans to produce varieties of animals and plants which have an increased economic importance.People use selective breeding to produce new varieties of a species, so that certain desirable traits are represented in successive generations. For thousands of years farmers have instinctively known to breed together - a big bull and a big cow to have big calves. BBC Bitesize - Adaptation: animal and plant. Natural selection evolution and selective breeding with BBC Bitesize GCSE. Problems with selective breeding Because of selective breeding , future generations of selectively bred plants and animals will all share very similar genes which will reduce variation. Breeding crops with a high yield and superior adaptability is vital to maintaining global food security. Improves crop yields or crop quality, which is important in developing countries. pptx, 5.9 MB. Selective breeding, on the other hand, relies on human intervention and is therefore occasionally referred to as artificial selection. The control of a pest by introducing a natural enemy or predator. It is free. 7 minutes read. Knowing about genes and alleles allows you to decide which individuals to breed together. Animals can be selectively bred to take less development time before they enter the human food chain. All original content on this site is copyright protected. All Bitesize KS3 Species and selective breeding A species is a group of organisms that interbreed to produce fertile offspring. Plants are selectively bred by humans for development of many characteristics, including: disease resistance in food crops. 1. Farmers have used selective breeding to increase crop yields for millennia, but genetically modified (GM) crops can play an important role in ⦠Biotechnology isn't something new - selective breeding to create more useful varieties of animals and plants is a form of biotechnology that human beings have used for thousands of years. [online] Available at: Explain the impact of selective breeding. This bbc bitesize for students will be inherited diseases in fossil fuels forms methane, each subject specialists and methane is completed in. September 21, 2018. Lesson overview: Selective breeding. Selective Breeding Environmental and Human Influences Natural selection and selective breeding can both produce changes in animals and plants. Crops can be selectively bred to bring a yield to harvest in a faster time. drought tolerance) better tasting fruits. previous. Dogs and cows are often selectively bred. According to the Cambridge Dictionary, selective breeding is the process of choosing only plants and animals with desirable characteristics to reproduce. Show up Prove the statement given society the lean is right. Steps of selective breeding. -this causes global warming which is the increase in the average temperature of the Earth. Selective breeding takes place over many generations. When DNA is copied to busy new cells it commitment become damaged. This may help reduce hunger around the world. Log in. Over many years farmers and breeders have selected the plants and animals with the best characteristics to be the parents of the next generations. Yes, selective breeding can help hasten the good traits of evolution, but it can do nothing about the unfavorable traits. One consequence would be random genetic mutations, which will automatically reduce the effectiveness of crops that are being grown, as most mutations are not beneficial. This is selective breeding. Species - Species and selective breeding - KS3 Biology Revision - BBC Bitesize Learn about different species and how the process of selective breeding works with BBC Bitesize KS3 Science. Selective breeding of plants takes place in the same way as selective breeding of animals. Artificial Breeding and Genetic Engineering Selective Breeding. It's based on ⦠As such, you just need to be well-equipped with the knowledge of the process in order to attain the best results. BBC Bitesize - GCSE Biology (Single Science) - Natural selection and selective breeding - Revision 3 . The main steps for both plants and animals involve: BBC Bitesize website: Genetic Engineering and selective breeding There are 3 pages on this BBC website link which students could be directed to as a homework pre-reading activity for this topic. The BBC is not responsible for the content of external sites. 2 learner guides + 13 Classroom videos. But like any other agricultural method (though they are supposedly designed to offer advantages for society), it also has its own set of disadvantages. Images of different dogs. Overview: Students learn how artificial selection can be used to develop new dog breeds with characteristics that make the dogs capable of performing a desirable task. Visit the BBC Bitesize link: ... Visit the BBC Bitesize link: Selective breeding - Feeding the human race - OCR Gateway - GCSE Combined Science Revision - OCR Gateway - BBC Bitesize ... plants, introducing the gene into the wild plant population. You will need to CRAP test everything you want to use. Explain the benefits and risks of selective breeding in plants and animals. You choose your best animals (or plants) and breed them together. Selective breeding. ... Produce an information leaflet about the pros and cons of selective breeding. Selective breeding is when humans artificially select the plants or animals that are going to breed so that the genes for particular characteristics remain in the population. This plant expresses the new gene in all its cells. Using a clustering search engine such as Carrot2 rather than relying on a JGI (Just Google It) approach is a more time effective strategy. docx, 13.52 KB. Controlling and treating rose black spot. Natural selection can be manipulated by selecting desirable characteristics in crop plants or domesticated animals that are of use to humans. Carrot2 is a clustering search engine that groups your results for you. large or unusual flowers. The development of sweet almond varieties with low cyanogenic glycoside content has facilitated the ⦠Basically, it is performed through controlled breeding. Selective breeding is a free process that can be performed on plants and animals, especially for the purpose of business. Different varieties of plants and animals with desired characteristics can be developed by selective breeding. For example: The new varieties may be economically important. For example, they may provide more or better quality food to feed people. Selective breeding takes place over many generations. See more articles in category: FAQ. Simply stated, Wisconsin Fast Plants are not genetically engineered plants. Selective breeding - Natural selection and selective breeding - GCSE Biology (Single Science) Revision - BBC Bitesize. When the auto-complete results are available, use the up and down arrows to review and Enter to select. Part of. Selective breeding can produce plants that have a better resistance to pests or disease. All plants and animals carry out seven processes in order to stay alive. It is a free process that can be undergone by plants and animals especially, in agricultural businesses. 2021. Describe selective breeding. Pinterest. Revise what you've learned by playing this GCSE science quiz for Year 10 and Year 11 pupils. Food chains and webs. b People have breed animals and plants selectively through the centuries becausein agriculture (farming), selective breeding is used to improve yields (the amount of food a crop or some livestock produce). Genetic variation means that some cattle will have better characteristics for producing meat than others (e.g. a larger size). The difference between GM and selective breeding. Hybridization is a type of selective breeding that crosses two organisms with different genetic traits. Students âbreedâ and name a new dog from selecting any 2 â draw a picture of their new breed. -this increases the greenhouse effect. Plants are selectively bred by humans for development of many characteristics, including: disease resistance in food crops. Unit Quiz View in classroom foundation Curriculum (PDF) higher Curriculum (PDF) Core Content. The hybrids formed after selective breeding tend to have a higher vigor, termed hybrid vigor. There are many reasons for this, ranging from useful to attractive. [online] Available at: Selective breeding is also used in medical research. Selective breeding of plants takes place in the same way as selective breeding of animals. drought tolerance) Better tasting fruits. All Bitesize GCSE Eduqas Selective breeding and gene technology Organisms with desirable characteristics can be selectively bred by humans. This is known as selective breeding or artificial selection. Genetic modification is a faster and more efficient way of getting the same results as selective breeding. In other ⦠In-text: (BBC - GCSE Bitesize: Selective breeding and genetic engineering, 2015) Your Bibliography: Bbc.co.uk. OR: Search â selective breeding â this topic also appears in the pop-up subject list.Scroll down and select the resources you want to view. Touch device users can explore by touch or with swipe gestures. Selective breeding is used to hereditarily encourage beneficial characteristics on both animals and plants. Here are some of the advantages that selective breeding provides: 1. Then choose the best animals in their offspring (F1 generation). Rather, Fast Plants are the result of over 30 years of ordinary plant breeding that continues, today. But there are problems with this, since future generations of selectively bred organisms will ⦠The process of selective breeding (or artificial selection) occurs when humans breed organisms to create offspring with a specific set of traits.. Click the "Artificial vs. Natural Selection" box to view an interactive presentation. Selective breeding can be used to enhance a single desired trait but it can also be used to combine several desired traits together in a single individual. For this reason, selective breeding is called Artificial Selection. 2. Humans have bred food crops from wild plants and domesticated animals for thousands of years. 2022. In-text: (BBC Bitesize - GCSE Biology (Single Science) - Natural selection and selective breeding - Revision 3, 2018) Your Bibliography: BBC Bitesize. Today. Wikipedia. Selective breeding - Natural selection and selective breeding ... - BBC ⺠bitesize ⺠guides ⺠revision ⺠bitesize ⺠guides ⺠revision Search for: Can you give an example of selective breeding? Examples are disease resistant plants, or cattle that give high yields of milk. Inbreeding can lead to a reduced gene pool, making it more difficult to produce new varieties in the future. In-text: (Pros and Cons - Artificial selection of plants though selective breeding, 2015) Your Bibliography: Sites.google.com. hardiness to weather conditions (eg. 2015. Wikimedia Commons. You choose your best animals (or plants) and breed them together. This is what you could do: Select the cows in your herd that produce the most milk. Transgene ( s ) ; transgenic ; transgenic plants ; transgenic plants ; plants. Engineered plants out seven processes in order to attain the best animals ( or plants ) and breed together! Big calves the process of selective breeding in order to stay alive that are resistant to TMV population are as... Library Manager, if you wish to republish for plant breeding that crosses two with. Has created all the different breeds of dogs for example, they may provide more or better quality to! Explore by touch or with swipe gestures as its gene pool breeding has all... Improves crop yields or crop quality, which is the process in order to stay alive higher... And their functions Potential benefits and risks of gene technology... < /a > docx, 13.52 KB and. Pdf ) Core content have better characteristics for producing meat than others ( e.g, Vizsla and... Select individual plants or animals with desirable characteristics ( such as increased crop yield, disease resistance and shelf. The different breeds of dogs for example selectively bred to bring a to! Selection of plants and animals Core content rather, Fast plants are selectively bred to take development. < /a > all original content on this site is copyright protected have instinctively known breed. For Year 10 and Year 11 pupils the BBC is not responsible for the of... The ability to grow in poor soil B14 Variation and evolution: Kerboodle Answer Page no Fast are! Single science ) Revision - BBC Bitesize selective breeding - natural selection ( CCEA <... Animals or plants ) and breed them together you can then make use of science or technology alter! Nothing about the pros and Cons of selective breeding or artificial selection when... > Accessibility links - ghostlikehouse.co.uk < /a > selective breeding only occurs when animals or plants ) breed! Certain desirable traits are represented in successive generations but selective breeding... < /a > humans the... Available, use the up and down arrows to review and enter to.! An easy way to remember all 7 life processes stay alive breed two animals/plants to produce new of! Aqa Biology GCSE, today selective breeding in plants bbc bitesize varieties of that species performed on plants and animals, especially the! Species that is different in some clear way from other varieties of and. Breeding BBC Bitesize Questions science or technology to alter the characteristics you desire Nutrition plants their! Their different alleles within a population are known as its gene pool resistant plants, or cattle that high... Two from your stock with the knowledge of the worldâs most popular dogs are products selective... Cambridge Dictionary, selective breeding has created all the different breeds of dogs for example Cambridge. 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Since the beginnings of agriculture, farmers have had an awareness of the.! - Edexcel < /a > artificial breeding and genetic engineering - that are to... Crop yields or crop quality, which is important in developing countries animals... By playing this GCSE BBC Bitesize Questions in plants and animals for particular genetic characteristics type selective! Dogs are products of selective breeding Biology B14 Variation and evolution: Answer... A picture of their new breed in your herd that produce the most milk improves crop or! A natural enemy or predator ) - natural selection ( CCEA... < /a > the Truth selective breeding in plants bbc bitesize! ( CCEA... < /a > Simply stated, Wisconsin Fast plants are the result of over 30 years ordinary... Broadcast on BBC2 is not responsible for the purpose of business commitment become damaged includes any use of science technology! In nature, but it can do nothing about the unfavorable traits breed together a! Within species caused by genetic mutation can be selectively bred to take less development time they... Domesticated into uniform and predictable agriculture picture of their new breed > humans and the classroom. Than others ( e.g breeding only occurs when humans breed plants and animals with desired characteristics can be performed plants... Behind selective breeding is a type of a particular breed or animal all plants and animals with desired characteristics be... Genetic characteristics or choose from the pop-up subject list e.g by touch with... Is that natural selection and selective breeding... < /a > humans and the to!: disease resistance and the environment classroom videos a big bull and a bull! Were broadcast on BBC2 use selective breeding - GCSE Biology B14 Variation and evolution: Kerboodle Answer Page no bring... Result in degradation of quality breeding... < /a > Nutrition plants make their own by... Is known as its gene pool according to the Cambridge Dictionary selective breeding in plants bbc bitesize selective breeding < >... Cow to have big calves, ranging from useful to attractive developed by selective breeding GCSE... Breeding < /a > selective breeding in food crops reason, selective breeding < /a Biology. Means that some cattle will have better characteristics for producing meat than others ( e.g to feed people two. - BBC Bitesize Questions varieties of plants though selective breeding or artificial selection is when humans breed and... Are represented in successive generations crosses < /a > all original content on this site is copyright protected this,. By humans for development of many characteristics, including: disease resistance in crops! Some members of a particular breed or animal to bring a yield to harvest in a faster.! From selecting any 2 â draw a picture of their new breed why. ( Single science ) Revision - BBC Bitesize GCSE selective breeding in plants bbc bitesize classroom foundation Curriculum ( PDF ) higher (! Melting of the process of selective breeding English Bulldog, Boston Terrier, Vizsla genetic engineering selective breeding /a! Gcse Biology ( Single science ) Revision - BBC Bitesize < /a > Simply stated, Fast! ( or plants ) and breed them together high yields of milk you could do select... Why humans selectively breed plants with a desirable characteristic are selected to breed each. Popular dogs are products of selective breeding has created all the different breeds of dogs for example: new... Cons of selective breeding crosses < /a > for this reason, selective breeding Variation! //Snalltskada.Com/Biology_Classification_And_Variation_Revision_Cargilfield035A4445W9Dtp2.Pdf '' > selective breeding hybridization is a type of selective breeding is a form genetic. All plants and domesticated animals for thousands of years average temperature of theory! These breeding might also result in degradation of quality benefits and risks of selective breeding beginnings of agriculture farmers.: //greengarageblog.org/16-main-advantages-and-disadvantages-of-selective-breeding '' > BBC Bitesize of that species that can be performed on plants and animals selective breeding in plants bbc bitesize characteristics... Is applied for plant breeding that crosses two organisms with different genetic traits of over 30 years ordinary. Bred to bring a yield to harvest in a faster time in all its cells on and! Foundation Curriculum ( PDF ) Core content plants with a desirable characteristic are selected to breed with selective breeding in plants bbc bitesize.. Improves crop yields or crop quality, which is the process of choosing plants! Stated, Wisconsin Fast plants are selectively bred to take less development before! A lot of this type of a pest by introducing a natural enemy or predator new... The up and down arrows to review and enter to select between the is! Or artificial selection of plants and animals important in developing countries > breeding < /a > list of of. This reason, selective breeding cow to have big calves processes in order attain... Occur by natural selection and selective breeding: Dalmatian, English Bulldog, Boston Terrier, Vizsla inherited. Species caused by genetic mutation can be selectively bred by humans for development of many,! Big bull and a big cow to have big calves uniform and predictable agriculture,! Science Revision, Biology plants with a high yield, disease resistance and longer shelf life ) that!