When phenotypes are caused by the combined effect of many separate genes, the pattern of inheritance is referred to as
A) polygenic inheritance.
B) dominant-recessive.
C) codominant.
D) sex-linked inheritance.

Question

Quizplus · Accepted Answer

Polygenic inheritance occurs when multiple genes contribute to the expression of a trait, resulting in a range of possible phenotypes. This type of inheritance does not follow the patterns of dominant-recessive or codominant inheritance, and is not limited to sex-linked traits.

When Phenotypes Are Caused by the Combined Effect of Many