Same answer to the question: is it ethical to reproduce with someone with (desired color) eyes?https://www.wsj.com/articles/is-it-ethical-to-choose-your-babys-eye-color-1538487936 …
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I don't think those are comparable. With mate selection, there is a limited supply of ideal mates. Every choice is a bundle of traits, not all of which can be a deciding factor at once. Embryo screening and eventual manipulation inch us towards traits being independent knobs.
Ubiquity of genetic correlations mean that embryos are also package deals to considerable degree. Indeed the reason adults are package deals is the same reason. No difference there.
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