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Richard Hanania's avatar

“The simple fact is that when one would be doing the editing and or selection, one would also make sure to keep the natural machinery for reproduction working.”

I had the exact same objection you did reading the exact same passage. He doesn’t seem to think of it himself despite claiming to have thought about this theory for five years? It’s very odd.

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Alex DeLarge's avatar

Evolution/selection through differential reproduction never stops. It seems that a lot of people forget that. If embryo selection tends to select for infertility genes because infertile couples are using it, then, yes, some infertility genes may tend to get propagated. But right now it's being used by elites who are only infertile because they "forgot" to have babies during their naturally fertile years. So this doesn't seem to be a big concern.

Besides, natural selection in the wild currently seems to be pretty dysgenic (from our cultural phenotype preferences, anyway). Sci-Fi speculation about it going off the rails many generations in the future hardly seems like a reason to be against it now.

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