A Son Is Born with Kleinfelter's Syndrome and Hemophilia

Multiple Choice

A son is born with Kleinfelter's syndrome and hemophilia.His father was normal and his mother was a carrier for the recessive X- linked blood clotting disorder.What occurred in meiosis to produce this genetic outcome?

A) nondisjunction in either meiosis I or meiosis II of the mother
B) nondisjunction in meiosis II of the father
C) nondisjunction in meiosis II of the mother
D) nondisjunction in meiosis I of the father
E) nondisjunction in meiosis I of the mother