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Dark Brown Hair Origin. These individuals have black or brown hair, because of the high amount of eumelanin. Generally, if more melanin is present, the color of the hair is darker;
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Levels of melanin can vary over time causing a person's hai… Human hair color is the pigmentation of human hair follicles due to two types of melanin: The tone of the hair is dependent on the ratio of black or brown eumelanin to yellow or red pheomelanin.
Human Hair Color Is The Pigmentation Of Human Hair Follicles Due To Two Types Of Melanin:
Web most people have two functioning copies of the mc1r gene, one inherited from each parent. Levels of melanin can vary over time causing a person's hai… These individuals have black or brown hair, because of the high amount of eumelanin.
Generally, If More Melanin Is Present, The Color Of The Hair Is Darker;
If less melanin is present, the hair is lighter. The tone of the hair is dependent on the ratio of black or brown eumelanin to yellow or red pheomelanin.
