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Homozygous Synthesis

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Homozygous Synthesis
There are multiple QTL that contribute to the variation of skin color, eye color, and hair color among humans and animals. And the genotype of the pigment related alleles has a significant influenced to the skin color. For example, in figure 2A, the expression level of melanin depends on the genotypes of MATP, NCKX5 and OCA2. The heterozygous shows the intermediate color between the two homozygous in all three gene. Which support that the pigment is associates with the QTL, and these loci are three of the pigment
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