If allele A has a frequency of 0.70 and allele a has a frequency of 0.30,then the frequency of the heterozygote genotype would be:
A)0.42
B)0.36
C)0.21
D)0.09

Question

Quizplus · Accepted Answer

The frequency of the heterozygote genotype (Aa) can be calculated using the Hardy-Weinberg principle, which is 2pq, where p is the frequency of one allele (A = 0.70) and q is the frequency of the other allele (a = 0.30). Thus, 2(0.70)(0.30) = 0.42.

If Allele a Has a Frequency of 0