In polygenic inheritance,
A) phenotypic characteristics are determined by a single pair of alleles.
B) phenotypic characteristics are determined by multiple alleles.
C) phenotypic characteristics are determined by the action of a single gene.
D) phenotypic characteristics are always controlled by genes on the same chromosome.
E) phenotypic characteristics are determined by the genes on the Y chromosome.

Question

Quizplus · Accepted Answer

Polygenic inheritance refers to the inheritance of a trait that is controlled by multiple genes (each with more than two alleles) rather than a single gene. For example, skin color, height, and weight are all controlled by multiple genes.

In Polygenic Inheritance