why skin color of human being varied
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Explanation:
People have different skin colors mainly because their melanocytes produce different amount and kinds of melanin. ... Differences in skin color are also attributed to differences in size and distribution of melanosomes in the skin. Melanocytes produce two types of melanin.
Content of melanin decides the color of skin
melanin is greater if there is more sunlight and color of skin is dark and fair if sunlight is less