Explains how selective breeding methods could be used to produce a population of cats with the short legs.

Selective breeding

• E1: bases explanation on the assumption that the mutated allele is dominant.
• E2: breed short-legged offspring together or with mother.
• E3: any short-legged offspring will be either heterozygous or homozygous dominant.
• E4: to find out what they are, carry out a test cross ie breed with another normal cat (homozygous recessive).
• E5: if no normal size legs offspring occur (after multiple breedings), then it can be taken that the tested individual is homozygous for short legs. This cat can be used for future breeding. / Any cat that produces offspring with normal legs is heterozygous and shouldn't be used for future breeding.

 

Posted Date: 7/20/2013 3:07:30 AM | Location : United States

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