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Why does incest result in birth defects?
(lemmy.world)
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this post was submitted on 05 Feb 2024
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If you had to repopulate the earth from a mass population decline... Would cloning better or inbreeding?
Cloning would avoid swiss cheese problems?
Cloning would be worse!
Cloning creates identical people with identical DNA. Identical DNA, identical defects, repeated over and over through the colony of twins, triplets, etc…
But it’s a small margin of improvement. Both cases, if the population pool is too small, you’ll eventually end up with sterility, severe mutations, and very early deaths, end of colony within a few generations.
If we had a massive population decline, yet, we did not have a global infrastructure collapse (so, magic instant death) then I believe some of the survivors would pretty quickly realize they need yo go find the cold storage of tons of semen samples.
Ah yes, mad max but not fighting over oil.
It's called Hell Comes to Frogtown
I would've said Creamerie
Wow. Never heard of this. I'll ad it to my distopian watch list
If the total population of a species falls below a certain threshold, that species is doomed due to low genetic diversity.
One last-ditch attempt would be to interbreed with a closely-related species, so the best (as in, has a .001% chance of working) option in this case might be to locate a willing chimp.
Tiny chance of working, plus even if it did the offspring may be sterile. So people would just be out there fucking chimps for no reason.
Don't crush their dreams, man
It would delay them I guess, but unless you plan to clone everyone forever, it wouldn't be a longterm fix. The genepool wouldn't get any bigger, so once your population did breed, you'd have the same problem.