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What is the evolutionary origin of light skin in humans?

Alight skin evolved several times in areas where there was no malaria.
Blight skin evolved several times in response to low ultraviolet light levels.
Clight skin evolved several times in response to high ultraviolet light levels.
Dlight skin evolved as an adaptation that decreased folate levels in humans.
Eone light-skinned race evolved 100,000 years ago and spread throughout europe

Verified Answer :

dancingbanana

I'll let you decide but I can help :) the light skinned genes is caused by people from a LONG time ago who migrated north where there is less sunlight. And because humans need vitamin D from the sun the human body evolved to contain less melanin which is what causes darker skin to protect from UV rays. Lighter skin=better sunlight absorption is less sunny places
Darker skin=better absorption and protection in places with a lot of sunlight:) goodluck

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