Occasionally three polar bodies are found clinging to the mature ovum. One came from an unequal division of the ovum, but from where did the other two arise?
A) There were originally four polar bodies and one disappeared.
B) One is an undeveloped primary oocyte that failed to mature.
C) The first polar body has also divided to produce two polar bodies.
D) What you really see are two polar bodies and the sperm that will fertilize the egg.
Answer: C