Oogenesis in humans begins
Aat puberty
Bduring the menstrual cycle each month
Cbefore birth, during fetal life
Dafter ovulation
Answer & Solution
Correct answer: C. before birth, during fetal life
Primary oocytes form during fetal development (~20 weeks gestation). They remain arrested in prophase I until puberty, then resume meiosis one at a time at each ovulation. Most degenerate without being released.
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