Subtleties and Stereotypes Between Male and Female Brains
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Key Facts In This Video
Physically speaking, all humans were once "female" in the womb—though some prefer to say we were gender neutral. 00:02
The first 5–6 weeks of embryonic development involve only the X chromosome, not the Y chromosome. 00:32
Nipples form before the activation of the Y chromosome in embryonic development. 01:28