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suspicious_fish
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#41
Report 15 years ago
#41
(Original post by elpaw)
what she is saying is that gender differentiation in the foetus doesn't occur until a few weeks after conception, i.e. a male foetus is indistinguishable from a female one in the beginning, and it is the hormones that cause the differentiation. eg with a flood of testosterone, the Y chromosome responds saying that it is male. or something like that (im not a biologist)
Yeah, it's the hormones that SHOW you what sex the foetus is, they don't MAKE the baby male or female! They're genetically one or the other from the very beginning, whether you can tell them apart or not.
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Amb1
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#42
Report 15 years ago
#42
(Original post by elpaw)
what she is saying is that gender differentiation in the foetus doesn't occur until a few weeks after conception, i.e. a male foetus is indistinguishable from a female one in the beginning, and it is the hormones that cause the differentiation. eg with a flood of testosterone, the Y chromosome responds saying that it is male. or something like that (im not a biologist)
Exactly!
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