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That's still quite a lot of people in absolute numbers. I'm not sure I buy that so many can have it without any reason at all.
by im3w1l 6y ago
That's still quite a lot of people in absolute numbers. I'm not sure I buy that so many can have it without any reason at all.
- Armisael16 6y agoThe reason would be that there are a lot of people in general and the trait isn’t harmful enough to be weeded out. Humans are not perfectly optimized packages.
- im3w1l 6y ago> trait Just want to mention this mistake. We are talking about a gene variant, not a trait. Phenotype inheritance is much more complicated than genotype inheritance.
- ojnabieoot 6y agoA common misconception about natural selection is that it optimizes species. It’s really more about “this has bugs but it’s good enough to cut a release branch.”