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Search options not deleted user 61298

This tag is for questions about the general biological features of human beings (as opposed to the biology of non-humans).

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Constitutive Dark Skin vs Facultative Tanned Skin

Most can easily spot the difference between a tanned and dark person. But from my research, the only difference is in the size and concentration of melanin (Jablonski). But this continues to increase …
Colin Collins's user avatar