Polygenic characteristics have many phenotypes because the number of possible genotypes (and, therefore, phenotypes, if each genotype corresponds to a unique phenotype) is _____, where n is the number of genes or loci involved.
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3^n



Answer :

Polygenic characteristics have many phenotypes because the number of possible genotypes (and, therefore, phenotypes, if each genotype corresponds to a unique phenotype) is 3ⁿ where n is the number of genes or loci involved.

A polygenic trait is a property, such as height or skin colour, that is influenced by two or more genes. Because numerous genes are involved, polygenic traits do not follow the patterns of Mendelian inheritance. Multifactorial traits are many polygenic traits that are also influenced by the environment. Because human characteristics like height, eye color, and hair colour are regulated by numerous genes, each of which contributes in some way to the overall phenotype, they come in a variety of slightly different forms.

Hence, many gene control the phenotype of the individual

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