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submitted 2 weeks ago* (last edited 2 weeks ago) by Early_To_Risa@sh.itjust.works to c/greentext@sh.itjust.works

just pretend this is green

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[-] taygaloocat@leminal.space 50 points 2 weeks ago

I can't imagine that many twins fuck. It's still incest, there's probably genetic factors that stop them being into that

[-] Whats_your_reasoning@lemmy.world 35 points 2 weeks ago

There's a window of time in early childhood (up to about the age of 6) where, if raised with other kids, such individuals will develop a repulsion at the idea of having sex with each other. It happens with siblings, but it can also happen with people we're unrelated to - just growing up in the same household. It's called the Westermark Effect.

If anon wants a chance at this, his best bet would be to find twins that were raised apart from each other. Quite a tall order.

[-] FinjaminPoach@lemmy.world 36 points 2 weeks ago

Love how Westermark decided this was the effect he wanted to put his name on

[-] kobebaylor@sh.itjust.works 7 points 1 week ago

I think it would be even funnier if he had a different name in mind but the public was like "Nope! This shit is all you bud."

[-] FinjaminPoach@lemmy.world 3 points 1 week ago

The Skywalker effect

Worse, twincest creates much more congenital abnormalities. In this case they're both the same sex so it doesn't matter really.

[-] ttayh@lemmy.zip 12 points 2 weeks ago

twincest cannot cause more abnormalities than "regular" (gross) sibling incest. If a set of twins are of diferent sex they are not identical, ie they come from different sperm and different egg. Same as any sibling pair

Almost... What you're saying is only true for fraternal or dizygotic twins. It's possible for a fertilized egg to divide in a way that it separates and both cells grow into twins, these are called monozygotic twins. Now, usually monozygotic twins are usually of the same gender but, there can be mutations. And even in those, the chance of both being fertile is rarer, because of the chance that the mutations usually are X0 leading to Turner's syndrome in the female child.

https://en.wikipedia.org/wiki/Twin (Read the unusual twinning part of the article.)

[-] Hadriscus@jlai.lu 7 points 1 week ago

There's always a bigger geneticist

this post was submitted on 18 Apr 2026
452 points (95.6% liked)

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