What is a possible reason for increased risk for chromosomal abnormalities with older maternal age?
A) Ova meiosis is complete by the time a girl is born thereby making them less likely to divide properly.
B) The older ova are more likely to have errors during meiosis.
C) Older ova are more likely to have p53 gene mutations.
D) Ova are continuously produced thereby increasing the chance of creating defective ova.

Question

Quizplus · Accepted Answer

As women age, their ova are more likely to experience errors during meiosis, leading to an increased risk of chromosomal abnormalities. This is because the eggs have been arrested in prophase I of meiosis for a longer period, which can lead to issues during cell division.

What Is a Possible Reason for Increased Risk for Chromosomal