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EvC Forum ⇒ Science Forums ⇒ Biological Evolution ⇒

Skin colors and latitude

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Author Topic:   Skin colors and latitude
coffee_addict
Member (Idle past 504 days)
Posts: 3645
From: Indianapolis, IN
Joined: 03-29-2004

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Message 2 of 65 (97569)
04-03-2004 6:06 PM 		Reply to: Message 1 by moelarry
04-03-2004 5:52 PM

Have you ever been to Central America? It's not as bare as Asia Minor. It's hot, humid, and annoying!
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coffee_addict
Member (Idle past 504 days)
Posts: 3645
From: Indianapolis, IN
Joined: 03-29-2004

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Message 4 of 65 (97572)
04-03-2004 6:27 PM 		Reply to: Message 3 by moelarry
04-03-2004 6:07 PM

That I am not sure about. However, I can tell you this. I grew up in Vietnam. I was very very dark. After living here for 3 years, I went back there to visit people and I was snow white compared to everybody else. That should tell you something about people's ability to adapt.
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coffee_addict
Member (Idle past 504 days)
Posts: 3645
From: Indianapolis, IN
Joined: 03-29-2004

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Message 11 of 65 (126843)
07-23-2004 1:20 AM 		Reply to: Message 9 by ParadoxScientist
07-22-2004 9:58 PM

ParadoxScientist writes:
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Thats why you can be fairly light skinned, and then after living in a place like Arabia, eventually your family genes will change and the generations will become much darker skinned, or you can just get a tan! Haha, but thats basically Skin Color in a nutshell.
I'm going to have to nitpick this one. Aside from some kind of mutation or interbreeding with the natives of Arabia, your "family genes" will not change. Your descendants may have more skin pigmentation, but that has nothing to do with genetics. Enviromental pressure (in this case, the almost constant exposure to the sunlight) makes the people adapt, on the individual basis, to live in such environment.
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In other words, if you and your descendents abstain from interbreeding with the native Arabians for 10 generations and then that generation decides to go back to North Asia, their skin color will eventually become light again.
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The Laminator
​
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