Multiple Choice
The study of sickle-cell anemia and its relation to malarial environments demonstrates that
A) homozygotes lack the capacity to digest lactose.
B) changes in cultural adaptation can result in changes in the selective pressures on a human population.
C) selection removes recessive alleles from the gene pool faster than it does dominant alleles.
D) heterozygotes are not as selectively fit as are dominant homozygotes.
E) natural selection improves a gene pool by wiping out deleterious alleles.
Correct Answer:
Verified
Correct Answer:
Verified
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