[TexasKamaAina]

There’s surely more to civilizational advancement than IQ. Curiosity, prudent risk-taking and the ability to delay gratification are also important. I believe these factors are mediated by, among other things, testosterone. Testosterone also plays out in group differences: blacks higher than whites; whites, higher than north-east asian.

[pierrem15]

There's also the DRD4 7R gene associated with resisting social norms and seeking new experiences and risk taking.

It's highest in Native American populations, moderate in Europeans and Africans, and almost absent in East Asians.