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Hemophilia a Is an X-Linked Recessive Disorder

Question 90

Multiple Choice

Hemophilia A is an X-linked recessive disorder.What is the probability that a son will have hemophilia if the parents are a normal man and a woman who is a carrier?


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

Correct Answer:

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