When one allele does not dominate another completely, it is a case of
A) recessive inheritance.
B) incomplete dominance.
C) phenotype.
D) polygenic inheritance.

Question

Quizplus · Accepted Answer

Incomplete dominance occurs when neither allele completely dominates the other and the heterozygous phenotype appears as a blend of the two alleles. This is in contrast to the clear distinctions in phenotype observed with dominant and recessive inheritance. Phenotype (C) is the observable physical characteristics of an organism, and polygenic inheritance (D) refers to the inheritance of traits that are controlled by multiple genes.

When One Allele Does Not Dominate Another Completely, It Is