What is pleiotropy, Biology

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What is pleiotropy?

Pleiotropy (or pliotropy) is the occurrence in which a single gene conditions several dissimilar phenotypical traits.

Some phenotypical traits might be sensitive to pleiotropic effects (for instance, inhibition) of other genes, even when conditioned by a pair of alleles in simple dominance. In these cases a mixture of pleiotropy and gene interaction is characterized.

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