Incomplete dominance
A) results in a phenotypic ratio of 1:2:1 in a monohybrid cross.
B) is far less common than complete dominance.
C) is the same as codominance.
D) involves the distinct expression of both alleles, as in the ABO blood group system.
E) occurs only in X-linked genes.

Question

Quizplus · Accepted Answer

In incomplete dominance, the heterozygous phenotype is a blend of the two homozygous phenotypes, resulting in a 1:2:1 phenotypic ratio in a monohybrid cross.

Incomplete Dominance