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 Originally Posted by oskar
You said if a population gets too diverse, it loses its fitness and dies off.
I expounded on this with the below
It's like how if you have a population that breeds together enough, genes lose the diversity that provide for fitness.
Let me expound more. The phenomenon I'm discussing is standard biology. Here's an illustration: Let's say every race of humans interbred randomly. That means that Asians and Africans and whites and Latinos, everybody, partnered randomly and produced offspring. This would result in no more Asians, no more Africans, no more whites, etc.. Humankind would become one mono-race. The differences between the races we have today would vanish, and this would result in less diversity of the species. To the degree that race diversity positively affects fitness, the deterioration of it would reduce humankind's fitness.
Fully integrating diverse groups deteriorates their diversity. Zero integration between groups is also awful for fitness.
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