Identify the horned allele and culls of the heterozygotes

Reference no: EM133248935

Assignment:

a. In goats, being polled (no horns) is dominant to having horns (????_ = polled, hh = horns). You visit a large goat breeding operation (very large population, randomly breeding, etc.) where you are told that 42% of the goats are polled.

b. The goat breeder takes you on a tour of the entire operation showing you hundreds of really cute goats. At the end of the tour, he tells you that of his goats that are polled, about ½ of them are homozygous for the polled allele (i.e. are ???????? in genotype).

Do you believe that statement? Support your answer with calculations.

c. A new manager is hired and wishes to produce only polled goats but doesn't want to reduce the population size too much. Instead of culling all the horned goats, he decides to cull (remove) 40% of the goats with horns. Further, through genotyping he identifies which goats carry the horned allele and culls 40% of the heterozygotes. The remaining goats breed randomly. After one generation of this policy, what proportion of the goats are polled?

Reference no: EM133248935

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