Artificial selection

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4 Terms

1
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What does polymorphic mean?

Polymorphic means that a gene has two or more different alleles in a population.

2
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What is artificial selection?

The selection of plant or animal with the desired characteristic is chosen by the farmer/breeder and are bred together so that the offspring have the desired trait.

3
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What key terms should I use when explaining selective breeding?

- Selection pressure

- Breeding

- Over many generations

- Desired characteristics

4
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Cons of Selective Breeding

- Decreases the gene pool

- Leads to more homozygous recessive disorders

- The desired trait may be inherited with an undesired trait that could cause disease

- Based upon looks, not health