english: So what this means now is that those traits we then look at and so readily see -- facial features, skin color, hair structure -- are not determined by single genes with big effects, but are determined by many different genetic variants that seem to vary in frequency between different parts of the world.
non_english: To, dakle, znači da te osobine koje tada posmatramo i tako lako uočavamo - crte lica, boja kože, struktura kose - nisu određene pojedinačnim genima sa velikim efektima, već ih određuje mnogo različitih genetičkih varijanti koje izgleda imaju različitu zastupljenost u različitim delovima sveta.