Human Skin Color: Evidence for Selection

The beauty of human skin in every color

Study Illuminates Genetic Origins of Skin Color Diversity

How to Mix Skin Tones - Full Video Lesson

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Genetics of Hair Color

Human skin color evolved as a response to varying levels of ultraviolet (UV) radiation from the sun. Early humans living near the equator developed darker skin, rich in melanin, which protected against the breakdown of folic acid caused by intense UV rays. Folic acid is crucial for DNA synthesis and fetal development, making its protection essential for reproductive success. However, dark skin limits UV absorption, which is needed to produce vitamin D—important for bone health. As humans migrate