Why Are More Males Than Females Affected by X-Linked Recessive

question 98

Multiple Choice

Why are more males than females affected by X-linked recessive genetic diseases?

• A) Males have a Y chromosome that cannot mask the X-linked recessive allele.
• B) Females have an additional Y chromosome to mask the X-linked recessive allele.
• C) Females have no Y chromosome to mask the X-linked recessive allele.
• D) Females have two Y chromosomes and cannot be affected by X-linked traits.
• E) Males and females are affected equally by X-linked recessive genetic conditions.

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