No doubt, but the science says it's not genetic. Ergo, it's cultural, nutritional, educational, etc. All extraneous factors. While genetics do come into play, such as you being a fucking moron, it's not "racial". There's more genetic variation within a "race" than outside of it. This is why your best kidney or liver match could be a person of color rather than you fellow neo-Nazi fuckwits.
https://sitn.hms.harvard.edu/flash/2017/science-genetics-reshaping-race-debate-21st-century/
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Brain size, IQ, and racial-group differences: Evidence from musculoskeletal traits
In the US and around the world, East Asians and their descendants average an IQ of about 106, Europeans and their descendants about 100, and Africans and their descendants about 85. The lowest average IQ scores are reported for sub-Saharan Africa, about 70 Jensen,
The races differ in average brain size and this shows up at birth. Rushton (1997) analyzed the enormous US data set known as the Collaborative Perinatal Project. It recorded head circumference measurements and IQ scores from 50,000 children followed from birth to age 7 (Broman, Nichols, Shaugnessy, & Kennedy, 1987). The results showed that at birth, 4 months, 1 year, and 7 years, the East Asian children in the study averaged larger cranial volumes than did the White children, who averaged larger cranial volumes than did the Black children. Within each race, the children with the larger head sizes had the higher IQ scores and by age 7, the East Asian children averaged an IQ of 110, White children an IQ of 102, and Black children an IQ of 90.
The East Asians averaged 36 cm3 more capacity than did the Whites, and the Whites averaged 21 cm3 more capacity than did the Blacks.
https://www.sciencedirect.com/science/article/abs/pii/S016028960200137X
Livers may be the same....but u dont think with your liver

