this post was submitted on 09 Dec 2024
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Isn't there some sort of biological thing where you're more likely to be sexually attracted to your relatives if you don't know they're you're relatives
Second degree cousins is not that close though. If every generation has three children, that's 27 persons. I thinks that for most of human history excluding second degree cousins from the acceptable partners pool would have been impossible. Communities were not that big.
I can't stop laughing.
That's how it's phrased in many other languages, german for example.
French also
And if my maths is correct, you only share on average 12.5% of your DNA with them
your math may be wrong, because we have very similar genomes, even compared to complete strangers. hell, even between some species.
Well, yes. I meant in the sense we share on average 50% with each parent/siblings, 25% with grandparents, etc. I should have said genetics instead of DNA.
iirc 90% of dna is the same even between humans and plants. (Don't quote me on that)
Of the variable alleles, not all DNA
Groups often came together to party and marry people.
There are even rules, like exogamy is common.
All I could find on this is something called "genetic sexual attraction" ^[1]^, though Wikipedia contains arguments that it's pseudoscience ^[1.1]^. Here's a Reddit post asking about this. ^[3]^.
Related to this, I also came across the "Westermarck effect" ^[2]^ which appears to suggest that people who grow up together are less likely to be romantically attracted to each other ^[2.1]^.
References
Yeah, that's weird: genetically similiar people are more attractive (as long as it isn't too similiar)(people in stable relationships often look alike) but bigger genetical difference is better.
Yes, one of the primary components of attraction is familiarity. Also proximity and similarity.
Well there was that movie, Code 46.