Why Do Asians Have Slanted Eyes

You’re in a room full of people and you don’t
know where most of them came from, except that woman standing over there. As soon as you saw her slanted eyes, you knew
she was Asian. There’s no denying that Asians have unique
physical traits. The most prominent is their slanted eyes,
but they also have straight black hair, wider cheekbones, and smaller noses. But what is it that gives Asian’s their slanted
eyes? Asians’ eyes are slanted for two main reasons. The first is the epicanthic fold. The epicanthic fold is a skin fold in the
upper eyelid that covers the inner corner of the eye. The second contributor to the Asian eyes are
the forward projecting zygomatic arches, which are bony arches at the outer border of the
eye socket. While this is why Asians have slanted eyes, we still don’t know why they evolved to be this way. The classic explanation is that the epicanthic
fold acted as a visor against the sun and insulation against the cold when they lived
in tropical and arctic regions. However, this trait should’ve disappeared
when they moved to places with a more stable climate. Also, Asians aren’t the only ones with epicanthic
folds. It’s also present in some Middle Easterners,
North Africans, Indigenous Americans, and sometimes Europeans. The unique physical traits of Asians could
be attributed to a gene mutation that occurred around 30,000 years ago. The gene known as EDAR is present in both
Africans and Europeans, however, in most East Asians one of the DNA units is mutated. Thanks for watching this video. If you want to learn more about why Asians
have slanted eyes, check out the article on Pensivity.net and of course, don’t forget
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