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A comment on China’s embrace of embryo selection raises thorny questions. Parent comment

Re:China’s embrace of embryo selection raises thorny questions by wbl on Thursday August 17, 2017 @05:48PM (#15041351)
People with Down syndrome have high life satisfaction.
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Re:China’s embrace of embryo selection raises thorny questions by thriftwy on Thursday August 17, 2017 @06:17PM (#15041572)
That's the problem with humans where life satisfaction seems to be inversely correlated with IQ.
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Re:China’s embrace of embryo selection raises thorny questions by gwern on Thursday August 17, 2017 @06:32PM (#15041683)
I believe it tends to either be constant or slightly positive, actually. Of course, if all you want is happy people, happiness is heritable and so you can do embryo selection on it or genetically correlated traits like personality factors (for Extraversion & against Neuroticism: https://www.cambridge.org/core/journals/twin-research-and-hu... )
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Re:China’s embrace of embryo selection raises thorny questions by pas on Friday August 18, 2017 @10:00AM (#15046222)
Could you elaborate on the iq happiness correlation? Possible mechanisms, data, ways to test it, etc?
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