Author Question: The recessive allele that causes phenylketonuria (PKU) is harmful, except when a (Read 468 times)

Garrulous

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The recessive allele that causes phenylketonuria (PKU) is harmful, except when an infant's diet lacks the amino acid phenylalanine. What maintains the presence of this harmful allele in a population's gene pool?
A) heterozygote advantage
B) stabilizing selection
C) diploidy
D) balancing selection



Hawke

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