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

question 47

Multiple Choice

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

• A)males are hemizygous for the X chromosome.
• B)male hormones such as testosterone often alter the effects of mutations on the X chromosome.
• C)female hormones such as estrogen often compensate for the effects of mutations on the X.
• D)X chromosomes in males generally have more mutations than X chromosomes in females.
• E)mutations on the Y chromosome often worsen the effects of X-linked mutations.

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