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Consider the following fitness regime for a single locus trait with two co-dominant alleles: w11 =...

Consider the following fitness regime for a single locus trait with two co-dominant alleles: w11 = 0.75 w12 = 1.0 w22 = 0.75 Based upon this type of natural selection, what will be the Hardy-Weinberg equilibrium frequency of the A1 allele (p hat)?

The correct answer is 0.5 but I need to know how to get the answer.

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Answer #1

Considering frequency of A1 = p

p = (w22 - w12)/ (w11 - w12 + w22 - w12)

Given:

w11 = 0.75

w12 = 1.0

w22 = 0.75

p= 0.25/0.5 =0.5

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