Which Statement Is NOT True About the Maintenance of Variation

question 65

Multiple Choice

Which statement is NOT true about the maintenance of variation in a population?

• A) Selection for adaptation to a particular environment ensures that the population will become stronger and more viable under any conditions.
• B) Only phenotypes are acted on by selection, so heterozygotes serve as a reservoir of recessive alleles that may be adaptive in a different environment.
• C) Heterozygote superiority may lead to selection for the heterozygote above either homozygote.
• D) Variation is maintained through mutation, recombination, gene flow, and changed conditions.
• E) Variations allow for the presence of conditions such as sickle cell anemia.

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