Hemophilia a Is an X-Linked Recessive Disorder

question 76

Multiple Choice

Hemophilia A is an X-linked recessive disorder.If a normal man marries a woman who is a carrier,what fraction of their sons will have hemophilia?

• A) 50%
• B) 75%
• C) 100%
• D) 25%
• E) 0%

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Stressor

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