Toot

Written by Uli Kusterer (Not a kitteh) on 2025-01-19 at 22:15

@Addmen Accessibility Description:

ChristopherE on Bluesky writes:

In 1890, the X and Y chromosomes were discovered. It was found that the men who were tested had 46 chromosomes, including an X and a Y, while women who were tested also had 46 chromosomes, including 2 X chromosomes.

So obviously the conclusion was that the Y chromosome defined masculinity.

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