In trisomy 21, most nondisjunction events take place during female meiosis rather than male meiosis. What might be one factor that can account for this difference?

A) Female meiosis is more difficult than male because the gamete is much larger
B) Female meiosis takes place in a very short time
C) Male meiosis takes place over a longer period of time
D) Female meiosis takes place over a long time period