When a dominant allele has different effects between heterozygous individuals and homozygous individuals, the phenomenon is called
A) codominance.
B) continuous variation.
C) incomplete dominance.
D) polygenic inheritance.

Question

Quizplus · Accepted Answer

Incomplete dominance occurs when heterozygous individuals show an intermediate phenotype between the two homozygous conditions. This happens because the dominant allele is not completely expressed over the recessive allele, resulting in a blending of traits.

When a Dominant Allele Has Different Effects Between Heterozygous Individuals