Why are men able to generate sperm, but women are born with a set number of eggs?

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I was told all humans start as female and then the ovaries descend and become testis. Why are females limited in this capacity?

In: Biology

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Anonymous 0 Comments

Humans do not start as female! We start out as **indifferent**. Around week 7 of gestation, if we have a Y chromosome we go towards the male pathway and if we dont have a Y chromosome we go towards the female pathway.

Ovaries dont become testes, a group of stem cells either become ovaries or testes depending on the signals they receive.

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