Meiosis II in the oocyte is completed ____.
A)just prior to ovulation
B)just after ovulation
C)after fertilization
D)at cycle day 1
E)at cycle day 28

Question

Quizplus · Accepted Answer

Meiosis II is completed in the oocyte after fertilization, upon fusion with the sperm. This results in the formation of a zygote with the full complement of chromosomes. Meiosis II is not dependent on the menstrual cycle and does not occur at cycle day 1 or cycle day 28.

Meiosis II in the Oocyte Is Completed ____