Skin color in humans is determined by a polygenic inheritance system
Skin color in humans is determined by a polygenic inheritance system, possibly involving as many as 9 genes. For simplicity let’s consider the influence of 3 genes: A, B, and C, which show incomplete dominance for each allele that darkens skin color. Suppose a women who is AABbCc mates with a man who is AaBbcc. […]
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