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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[–] Natanox@discuss.tchncs.de 0 points 1 day ago (2 children)

To my knowledge there is no hard evidence for sexuality being primarily genetical?

[–] Lumisal@lemmy.world 0 points 1 day ago* (last edited 1 day ago)

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)

[–] TommySoda@lemmy.world 0 points 1 day ago (1 children)

Yeah, I think you are right and I couldn't find anything. I just find it highly suspicious that my dad is hardcore homophobic when more than half of his immediate family is gay or bisexual. Like, even his brother is gay.

[–] Lumelore@lemmy.blahaj.zone 0 points 1 day ago

Could just be random chance. My maternal blood relatives are entirely afab and I have a lot of them. I'm the only amab born into my family, however I am trans. The odds of that many girls in a row are really low but not impossible.