Dark skin contains melanin, which is a dark pigment in the skin. The purpose for melanin is to protect the skin from harmful effects of ultraviolet sunlight, which include skin cancer. What evolutionary advantage does light skin have?
- Light skin lets in more sunlight, which allows a person in colder climates to get warm more easily.
- Light skin lets in more sunlight. Sunlight catalyzes the formation of Vitamin D.
- Light skin tans more easily. This makes the person more attractive and therefore facilitates mating.
- Light skin is more attractive, which makes the person better able to attract a mate.
Answer
The correct answer is B) Light skin lets in more sunlight. Sunlight catalyzes the formation of Vitamin D..
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