Human skin and eye color are traits that are
A) the result of polygenic inheritance.
B) examples of continuous variation.
C) incompletely penetrant.
D) the result of polygenic inheritance and examples of continuous variation.
E) the result of polygenic inheritance, examples of continuous variation, and incompletely penetrant.

Question

Quizplus · Accepted Answer

Human skin and eye color are influenced by multiple genes (polygenic inheritance) and show a range of phenotypes (continuous variation). They are not typically described as incompletely penetrant.

Human Skin and Eye Color Are Traits That Are