Question

Most sex-linked, recessive traits-including hemophilia and color blindness-appear in males. This phenomenon is BEST explained by which statement?

A. In males, the recessive sex-linked genes appear only on the Y chromosome.

B. Males have an XX chromosome with dominant genes.

C. In males, the Y chromosome lacks the genes needed to mask the recessive genes on the X chromosomes.

D. Most of the genes on the X and Y chromosomes of males are recessive.

Answer 1

the answer is d, most of the genes on the X and Y chromosomes of males are recessive.

Answer 2

Your answer would be D