A person's race can usually be determined by appearance, and always by DNA analysis. The different races have always been characterized by average differences in intelligence, as well as in criminal and sexual behavior.no-----I did not claim that inheritance has nothing to do with intelligence nor did I suggest that it has ALL to do with environment---in any case the issue is actually more NURTURE than environment---but, certainly not ALL. Overall----BRAINS do not differ across "racial" lines ---in fact "race" is a really
weak indicator or ANYTHING