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[–] 40 points 1 month ago (1 child)

Identical twins, yes. You can have multiple eggs fertile at the same time. Two of my childhood friends were a boy and girl who were twins, obviously look quite different lol

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  • [–] 2 points 4 weeks ago

    Thanks for the knowledge! I've been walking around knowing that Twins and Identical Twins are different; yet thinking that sex differences were developed post fertilization, like we do some in-vitro reptile shit, hahaha

    Mental apologies to my AP bio teacher, who probably taught me better! He took great pleasure in publicly slaughtering transphobic ideology, before it was cool.

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