Article
Colloquium paper: human skin pigmentation as an adaptation to UV radiation.
Proceedings of the National Academy of Sciences of the United States of America - 11 May 2010
Jablonski Nina G, Chaplin George
Abstract excerpt
Human skin pigmentation is the product of two clines produced by natural selection to adjust levels of constitutive pigmentation to levels of UV radiation (UVR). One cline was generated by high UVR near the equator and led to the evolution of dark, photoprotective, eumelanin-rich pigmentation. The other was produced by the requirement for UVB photons to sustain cutaneous photosynthesis of vitamin D(3) in low-UVB...
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