A cross of two medium height hybrid plants produces offspring that are dwarf, medium, and tall in a ratio of 1:2:1. This is an example of
A) variegation.
B) hybrid vigor.
C) incomplete dominance.
D) epistasis.
E) a polygenic trait.

Question

Quizplus · Accepted Answer

Incomplete dominance is when the phenotype of the heterozygotes is intermediate between the phenotypes of the homozygotes, as seen in the 1:2:1 ratio of dwarf, medium, and tall plants.

A Cross of Two Medium Height Hybrid Plants Produces Offspring