@msutherl @slatestarcodex @svigalae I've seen heritability estimates from 60% up to 86%, so yes.
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@slatestarcodex All environmental explanation for group differences tested and rejected: http://humanvarieties.org/2014/08/25/the-elusive-x-factor-or-why-jonathan-kaplan-is-wrong-about-race-and-iq/ …@HbdNrx@msutherl@svigalae -
@slatestarcodex Besides, I think Greg Cochran breaks it down succinctly http://westhunt.wordpress.com/2014/05/22/unknown-phenotypes/ …@HbdNrx@msutherl@svigalae
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@slatestarcodex Current height differences between American Whites and Japanese 100% genetic in origin.@HbdNrx@msutherl@svigalaeThanks. Twitter will use this to make your timeline better. UndoUndo
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@slatestarcodex@msutherl@svigalae Scott, I think you know the truth but you really, really don't want to fall into the abyss. You do raise -
@slatestarcodex@msutherl@svigalae a legitimate possibility here, but all evidence points to this not generally being the case for IQ. In -
@slatestarcodex@msutherl@svigalae particular, transracial adoption studies have not demonstrated this. Additionally, there have been some -
@slatestarcodex@msutherl@svigalae recent studies showing SNPs associated with intelligence that are distributed unevenly as we would -
@slatestarcodex@msutherl@svigalae expect. The most parsimonious explanation for most group-level inequality within the US and between -
@HbdNrx@slatestarcodex If Occam's Razor has any meaning.@msutherl@svigalae
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