URINARY SYSTEM AND MALE FEMALE REPRODUCTIVE SYSTEMS
FEMALE REPRODUCTIVE TRACT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When does oogenesis begin?
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at birth
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before birth
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at the onset of adulthood
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at the onset of puberty
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Explanation:
Detailed explanation-1: -Oogenesis is the creation of an egg (also known as an ovum or oocyte) in the female foetus. Oogenesis starts in the foetus at around 7 weeks’ gestation, when primordial germ cells colonize the newly formed ovary.
Detailed explanation-2: -Oogenesis is initiated during the embryonic stage of a female fetus. Oocyte completes oogenesis when a sperm enters the secondary oocyte.
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