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

Question

Quizplus · Accepted Answer

Incomplete dominance results in a 1:2:1 phenotypic ratio in a monohybrid cross, where the heterozygote shows an intermediate phenotype between the two homozygotes.

Incomplete Dominance