In humans, when are primary oocytes made?
A - Sometime between birth and the girl's second birthday
B - Throughout a women's like until menopause
C - When the female is still a fetus
D - During puberty
Answer: C - When the female is still a fetus
All of the oogonia that a female will have are created 1-2 months before she is born, most of the 7 million will die and surviving ones enter meiosis I (but freeze in prophase I) and become primary oocytes.