>>13389183this nigger holy shit, the science is crystal clear, the heritability of IQ is probably 0.8 or upwards
Read 'the neuroscience of intelligence' by Haier instead of being a jewnigger and spreading niggerjewpropaganda
There's correlations between the amount of certain copies of a gene and brain size. The correlation between identital twins (of IQ) is about 0.8. There's so much DEFINITIVE data, you have no excuse you subhuman nigger.
Human Intelligence (Hunt, 2011, pp 230-231)
Or Twin adoption study by Plomin and Petrill (1997).
It's not 50-50, its about 80-20 (genetics-environment). All the rest is LITERAL JEWISH PROPAGANDA YOU KIKE NIGGER JEW
