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Originally Posted by Hermione
Really? Huh. My bad. I was just reminded of how people were referring to the Boston bomber that didn't get killed as "white", when they're Chechnyan and not very white looking.
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Well, it gets complicated because after the migration towards Europe other groups continued to migrate to the regions these people came from. Further, because of phenotype plasticity & the differing environments these people settled in some phenotypes became markedly different. Noses are pretty good example of the later; peoples who settled in dryer areas tended to get larger noses due to environmental pressure on these plastic phenotypes as a larger nose was beneficial for these people due to their current climate. Hence the stereotypical nose of Iranians.