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Why similar features are preserved in a gigantic population?

Human Anatomy, Physiology, and Medicine. Anything human!

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Why similar features are preserved in a gigantic population?

Postby Goldentiger » Mon Jul 14, 2014 1:22 am

I've noticed that East Asians, Chinese, Koreans, Mongolians and Japanese (except the native Ainu) resemble each other.

All have common characteristics as epicanthic fold, oblique eyes, slightly marked brow ridges, flat face, high orbits, etc. ..

The teeth are Characterized by sinodonty.

But this is very rare when you consider the number of people, absolutely gigantic.

Thousand of millions...

It is impossible number in any mammalian specie.

Furthermore, as they have an ancient culture have been preserved portraits and sculptures of thousands of years ago, and people of these times had the same typical features that now.

It is very rare.

Supposedly in a such a large population should have varied much more ..

This is what I do not understand ..
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Re: Why similar features are preserved in a gigantic population?

Postby Darby » Tue Jul 15, 2014 7:41 pm

You're not taking into account the much smaller numbers just a handful of generations ago.
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Postby Goldentiger » Tue Jul 22, 2014 8:54 am

China in the past had a very important culture. A culture of millennia

Besides its important culture have left many paintings and sculptures, where similar features are seen.

But the same also happens with Japanese and Korean.
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