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A 14yr old experienced prolonged severe bleeding after having a tooth extracted. He also has a history of multiple episodes of joint swelling following minor trauma. His parents have no bleeding problems. Evaluation reveals that the patient has an inherited disorder. Now, his older sister who does not have this condition, is pregnant (sex of the child unknown) and asks about the risk that her child will be affected. The best probable estimate is.
A) Near 0
B) 1/2
C) 1/4
D) 1/8
E) 1/16
F) 1/32
A) Near 0
B) 1/2
C) 1/4
D) 1/8
E) 1/16
F) 1/32