Charles Darwin coined artificial selection in his famous book On the Origin of Species. Table 1. It does not have control over genetic mutations. Have all your study materials in one place. People have been domesticating dogs for an estimated 14,000 years. The introduction of disease-resistant crops can greatly increase crop yield for farmers. What are some disadvantages of artificial selection? 5. There are both advantages and disadvantages to artificial selection. Inbreeding causes severe mental and physical problems and illnesses in animals. Expand Living Conditions The effect of genetically modified crops on the environment depends on the specific genetic modification and which agricultural practices it promotes. Inbreeding Problems The results are environmental influences impacting the genetic diversity of the animals and plants. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Organisms better adapted to their environment will have higher fitness than those not. Create the most beautiful study materials using our templates. This could make some native species better competitors than they were previously, disrupting ecosystem dynamics. For example, Bt crops produce their own insecticides such that external application of these chemicals is unnecessary, reducing the negative impacts of industrial agriculture. 5. List 3 disadvantages of selective breeding. 9. A missing region of DNA that is linked to fertility rates was identified in Nordic Red cattle. Web-There are ethical downsides to selective breeding -New Massachusetts laws against animal cruelty -Some believe man should not manipulate nature -People do not like its expenses -Others state it poses no threat Modern Results of Selective Breeding: -Exotic animals are often selectively bred -Domesticated animals were selectively bred Additionally, steers use the same approach to enhance leaner and faster meat production to sustain the meat chain. If the immunity traits to combat problematic regions in the chain of life are identified, humans have greater control over each generations outcomes. Artificial selection describes how humans choose organisms with desirable traits and selectively breed them to produce offspring with these desirable traits. It is possible for selective breeding to form offspring that possess different traits from their parents. 5. Without selective breeding, many of the plants and animals on earth today would not exist. Everything you need for your studies in one place. 4. This is repeated over many generations. The breeder selects organisms to produce desirable traits in successive generations. These artificially selected individuals often suffer health conditions and reduced quality of life. Students also viewed Energy Transformations 38 terms Since selective breeding can create offspring that are of different traits, the permanent trait or its previous trait before undergoing the process would be completely lost. This is mainly observed in the future generation since they do not show any similar traits with their ancestors; thus, a specific breed is entirely wiped out.

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