Genetic Factors in Inheritance Quick Check

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Question
What is the definition of epistasis?(1 point)
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when a dominant allele for a specific trait is not completely expressed over the recessive allele
when a dominant allele for a specific trait is not completely expressed over the recessive allele

when one gene affects multiple phenotypes
when one gene affects multiple phenotypes

when the allele of one gene interferes with the expression of another gene
when the allele of one gene interferes with the expression of another gene

when one trait is determined by multiple genes
when one trait is determined by multiple genes
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1 answer

The correct definition of epistasis is:

when the allele of one gene interferes with the expression of another gene.

This phenomenon occurs when the interaction between genes affects the phenotypic expression of a given trait.