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A gene's two alleles occur in a 60:40 ratio. What fraction is heterozygous at equilibrium?
A0.24
B0.48
C0.36
D0.16
Answer & Solution
Correct answer: B. 0.48
With p = 0.6 and q = 0.4, heterozygotes are 2 x 0.6 x 0.4 = 0.48.
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