In __________, a pair of nonidentical alleles affecting two phenotypes for a given trait is both expressed at the same time in heterozygotes.
A)pleiotropy
B)polygenic inheritance
C)complete dominance
D)codominance
E)a multiple allele system

Question

Quizplus · Accepted Answer

Codominance is a type of inheritance in which both alleles are expressed equally in the heterozygous condition, resulting in an intermediate phenotype that shows characteristics of both alleles. This is in contrast to complete dominance, where one allele is expressed and the other is completely masked.

In __________, a Pair of Nonidentical Alleles Affecting Two Phenotypes