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In Hardy-Weinberg terms, the frequency of heterozygotes is:

Ap^2
Bq^2
Cp+q
D2pq
Answer & Solution
Correct answer: D. 2pq
1. Draw one p allele and one q allele either way. 2. Heterozygotes are 2pq. 3. Homozygotes are p squared and q squared. _Source: OpenStax Biology 2e, Chapter 19, The Evolution of Populations (CC BY 4.0)._
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