Geoffrey Miller on Twitter: "Minor new mutations keep popping up all the time, many of which make people a tiny bit less intelligent: yet more evidence that heritable variation in intelligence is maintained by mutation-selection balance.… https://t.co/VBB28DXiYw"

@primalpoly

Psychology professor; wrote The Mating Mind, Spent, Mate, & Virtue Signaling. Agnostic centrist into evolution, sex, sentience, freedom & future.

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Minor new mutations keep popping up all the time, many of which make people a tiny bit less intelligent: yet more evidence that heritable variation in intelligence is maintained by mutation-selection balance.https://twitter.com/LarsPenke/status/1168925747140014080 …

Lars Penke @LarsPenke

Replying to @primalpoly

Also in line with human intelligence being under mutation-selection balance is our recent demonstration that half of its heritability is due to family-specific genetic variants, likely rare mutations: https://www.nature.com/articles/s41380-017-0005-1.pdf … w/ @WDavidHill @rubenarslan

9:41 AM - 3 Sep 2019