56. Which of the following description of the genetic term is INCORRECT?
(A) Epistasis is a type of gene interaction in which the phenotypic expression of one gene alters that of anotherindependently inherited gene.
(B) Codominance is a situation in which the phenotypes of heterozygotes is intermediate between the phenotypes ofindividuals homozygous for either allele.
(C) Pleiotropy is the ability of a single gene to have multiple effects.
(D) Epigenetic inheritance is the inheritance of traits transmitted by mechanisms not directly involving the nucleotidesequence of a genome.
(E) Polygenic inheritance is an addictive effect of two more genes on a single phenotype.