APFIVE Meiotic Nondisjunction And Klinefelter Syndrome
A child is diagnosed with Klinefelter syndrome (47, XXY). If the extra X chromosome is determined to be from the mother, the nondisjunction event that caused this condition most likely occurred during which of the following stages?
A
Meiosis II in the mother
B
Meiosis I in the father
C
Meiosis I in the mother
D
Mitosis during early embryonic development
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