this post was submitted on 10 Feb 2024
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Showerthoughts

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Everyone makes incest jokes about Adam and Eve and their children but they never mention that there was another woman named Lilith (Adam's first wife) who would have added variance to the gene pool. (lemmy.world)
submitted 9 months ago by QueenB@lemmy.world to c/showerthoughts@lemmy.world
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https://en.wikipedia.org/wiki/Lilith

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[–] Lojcs@lemm.ee 8 points 9 months ago (1 children)

Depends on the chromosomes, if adam had two identical ones for each the kids would be clones barring mutations.

[–] EtherWhack@lemmy.world 3 points 9 months ago (1 children)

The chances are around 260k to 1. Factoring Eve's lack of a second sex chromosome, (unless she has swyer syndrome) the equation would be 1/((22²+1)(23²))≈0.00039%

[–] Lojcs@lemm.ee -2 points 9 months ago (1 children)

Seeing how we're talking about religion and first man, I don't think we're limited by probability here.

BTW so there are 30k people with identical chromosomes??

[–] EtherWhack@lemmy.world 4 points 9 months ago

As you mentioned it depends on chromosomal differences, I just provided the probability of it actually happening.

And, yes. Barring any mutations or trait selectivity, if we all came from the same individual, there would be about 30k identical people of the 8.1b population.