Question 14 Human populations are polymorphic for the gene coding for the myoglo

Question

Question 14

Human populations are polymorphic for the gene coding for the myoglobin protein. There are two different alleles of this gene (M1 and M2). In a 2002 study, Takata et al. found that in a small Japanese population, the frequency of the M1 allele was p = 0.755, while that of the M2 allele was q = 0.245. Calculate the genotypic frequencies for M1M1, M1M2, and M2M2 (in the same order) under the Hardy–Weinberg equilibrium. Choose the best answer.

0.57, 0.37, 0.06

0.72, 0.07, 0.21

0.59, 0.33, 0.08

0.35, 0.30, 0.35

0.57, 0.37, 0.06

0.72, 0.07, 0.21

0.59, 0.33, 0.08

0.35, 0.30, 0.35

Explanation / Answer

M1M1= (0.755)2 = 0.57, 2pq = 2x 0.755 x 0.245 =0.37 ; q2 = 0.2452 = 0.06.

The answer is option A - 0.57, 0.37, and 0.06.

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