Genetic Factors in Inheritance Quick Check

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What is the definition of epistasis?(1 point)
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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 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 trait is determined by multiple genes
when one trait is determined by multiple genes

when one gene affects multiple phenotypes
when one gene affects multiple phenotypes
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Answer 1

The correct definition of epistasis is:

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

This means that the effect of one gene can mask or modify the effects of another gene, affecting the overall phenotype.