What Factor(s) Typically Influence a Trait That Shows Continuous Variation

Question

What factor(s) typically influence a trait that shows continuous variation?
A) genetic factors only
B) environmental factors only
C) both genetic and environmental factors
D) neither genetic nor environmental factors

Accepted Answer

Traits that show continuous variation are influenced by both genetic and environmental factors. For example, height is influenced by genetics, but also by environmental factors such as nutrition and socioeconomic status. Another example is intelligence, which is influenced by both genetics and environmental factors such as education and experience.