Academics say the darnest things. Hundreds of years of selective breeding in cows, chickens, pigs, dogs, cats, deer, horses, snakes (yessss), many bird species, many fish species, wheats, tree species etc. And of course human self-domestication. But this one trait is magical!https://twitter.com/drderringer/status/1099321810468986883 …
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Is that because sexual vs asexual reproduction?
Good point! Sexual reproduction causes the shuffling around (recombination) which breaks the epistasis, but for asexual clonal reproduction, that actually would not happen. Never thought of that, but seems true.
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That's been mentioned in things I'm sure you've read, but it's hardly the only factor. I think a lot of it may be just that they are under enormously more selection and the simple additivity is gone. Hard to imagine stuff like, say, phages' "survival of the flattest" in humans.
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