this post was submitted on 07 Jul 2025
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Science Memes

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doi: 10.1037//0021-843x.105.3.440

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[โ€“] [email protected] 10 points 1 week ago* (last edited 1 week ago) (1 children)

There is evidence. See the fraternal birth order effect for just one example:

https://en.m.wikipedia.org/wiki/Fraternal_birth_order_and_male_sexual_orientation

And scientists have created lesbian mice:

https://bmcgenomdata.biomedcentral.com/articles/10.1186/1471-2156-11-62

(Side note: it's hilarious they shorthanded the enzymes to FucM)

[โ€“] [email protected] 3 points 1 week ago

today i learned. and it alignes so well with how in medieval times, only firstborns were expected to inherit the family farm and have children themselves. At least that's how it was in many areas.