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Why do polygenic characteristics have many phenotypes?

1 Answer

2 votes

Answer:

The involvement of more than two genes.

Step-by-step explanation:

The polygenic characteristics have many phenotypes because more than two genes governs the phenotype of individual organism. The single gene contains a pair of alleles that codes for two phenotype and two genes will code for 4 phenotype. Thus, more than two genes for example, three genes will have six phenotypes.

The skin color and height are polygenic characterstics in humans.

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