Epistasis Is

Multiple Choice

Epistasis is

A) the degree to which a particular genotype is expressed in an individual.
B) the proportion of individuals within a group with a particular genotype that show the expected phenotype.
C) a situation in which a heterozygotic individual expresses an intermediate phenotype of the parents.
D) a situation in which one gene masks the expression of another gene.
E) a situation in which both alleles are expressed equally.