Naive Question
In statistics, when field research is undertaken, it is imperative that the categories of subjects are clearly defined. So, can someone direct me to studies showing how we can biologically identify someone as black and someone else as white, please?
By "biologically", I don't mean of course color of skin which is weak and fuzzy, but something alolng the lines of "Whites have this XYZ trait which shows up in 95% of their DNA" as opposed to "XYZ showing up in 15% of Blacks". I'm looking for traits that would identify a person as being black or white with statistical significance (p<0.05), without us looking at him, hearing him speak, knowing his background, or putting him through intelligence tests. Just by examining the stats and charts of his biological configuration.
If no such differentiating biological criteria exist to begin with, then the professor is talking out of his Swedish Academy award-winning behind.
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