At the Time of Fertilization, the Complete Maturation of Each

Question

At the time of fertilization, the complete maturation of each oogonium has resulted in
A) one secondary oocyte.
B) two primary oocytes.
C) four secondary oocytes.
D) four primary oocytes.
E) four zygotes.

Accepted Answer

Each oogonium produces only one secondary oocyte during meiosis. The other daughter cell produced during meiosis, a polar body, does not mature into an egg. Therefore, at the time of fertilization, each oogonium results in one secondary oocyte.