Use the Hardy-Weinberg equations: p + q = 1 and p2 + 2pq + q2 = 1. If the dominant allele frequency is 0.8, then what percent of the population will be heterozyous?
A. 0.32
B. 0.16
C. 0.64
D. 0.04
E. 0.40
Answer: A. 0.32
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