I didn't mention race in the post, but culture. I think culture has a significant effect on a person, and to prove my point, I'd refer to the book The Culture Map, which was a revelation for me and explained a lot of things I had noticed while working in a multicultural environment. Genetic factors typically account for about 50% of individual differences in traits like personality, cognition, and psychopathology, leaving the other 50% to environmental influences.