Relative to Females, Males Are Much More Likely to Suffer

Multiple Choice

Relative to females, males are much more likely to suffer from classic hemophilia because

A) when males inherit the recessive hemophilia gene on their X chromosomes, their Y chromosomes do not have a corresponding dominant gene to mask the disease.
B) when males inherit the recessive hemophilia gene on their Y chromosomes, their X chromosomes do not have a corresponding dominant gene to mask the disease.
C) only males can inherit the dominant gene responsible for the blood-clotting disease on the larger of their two sex chromosomes.
D) when males inherit the dominant hemophilia gene on their Y chromosomes, it is highly likely that they will also carry the gene on their X chromosome.