Question

When does the egg begin the 2nd round of meiosis?

A) when the egg was first made


B) before it is released from the ovary


C) after a sperm enters the egg cell

Answer 1

Answer: After ovulation the oocyte is arrested in metaphase of meiosis II until fertilization. At fertilization, the secondary oocyte completes meiosis II to form a mature oocyte (23,1N) and a second polar body.

Step-by-step explanation: