Polygenic inheritance may result in a continuum of phenotypes because
A) the genes that are involved can be considered to be co-dominant.
B) the alleles for each gene are either completely dominant or recessive.
C) there is a low environmental effect.
D) there is a high environmental effect.

Question

Quizplus · Accepted Answer

Polygenic inheritance involves multiple genes contributing to a single trait, and these genes can have additive effects, often resulting in a range of phenotypes. Co-dominance among these genes can contribute to the continuum of phenotypes.

Polygenic Inheritance May Result in a Continuum of Phenotypes Because