If a phenotype is controlled by the genotypes at two different loci, a possible interaction between alleles of these genes can be called
A)epistasis.
B)epigenetics.
C)dominance.
D)codominance.
E)incomplete dominance.

Question

Quizplus · Accepted Answer

Epistasis occurs when the effect of one gene (locus) is dependent on the presence of one or more 'modifier genes', i.e., the genetic background. It involves interactions between different genes, where one gene can mask or alter the expression of another gene at a different locus.

If a Phenotype Is Controlled by the Genotypes at Two