AP Biologyeasymcq1 pt
If p = 0.7 and q = 0.3, what fraction of the population is heterozygous?
A.0.42
B.0.21
C.0.49
D.0.09
Explanation
Core Concept
2pq = 2(0.7)(0.3) = 0.42. Heterozygotes peak when alleles are intermediate in frequency.
Correct Answer
A0.42
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