Many human recessive genetic diseases are maintained despite continuing selection against them because
A)heterozygotes have a higher fitness than either homozygote.
B)the recessive alleles mutate to dominant type.
C)there is no inheritance for the recessive allele.
D)the dominant allele frequency remains the same over generations.

Question

Quizplus · Accepted Answer

The Answer is A

Many Human Recessive Genetic Diseases Are Maintained Despite Continuing Selection