Males Are More Often Affected by Sex-Linked Traits Than Females

Multiple Choice

Males are more often affected by sex-linked traits than females because

A) sex-linked traits are located on autosomes that affect males more severely than females.
B) the presence of a Y chromosome often worsens the effects of X-linked mutations.
C) X chromosomes in males generally have more mutations than X chromosomes in females.
D) males are hemizygous for the X chromosome.