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已知小鼠有近 10 0个基因位点影响外观颜色。哺乳动物有两种黑素 :优黑素 (ｅｕｍｅｌａｎｉｎ)和褐黑素(ｐｈｅｏｍｅｌａｎｉｎ) ,调节这两种色素的位点包括黑素细胞皮质激素受体 1(ｍｅｌａｎｏｃｏｒｔｉｎｒｅｃｅｐｔｏｒ ,Ｍｃｌｒ)和野灰色 (ａｇｕｔｉ ,Ａ)位点。在体
Nearly 100 known genetic loci affect the appearance of the color. There are two types of melanin in mammals: eumelanin and pheomelanin. The sites that regulate these two pigments include melanocortin receptor (Mclr) 1 and aguti A) Site. In the body