Which Trait is an Example of a Quantitative Trait in Humans

Question

Which trait is an example of a quantitative trait in humans?
A) cheek dimples
B) number of toe
C) musical ability
D) cystic fibrosis

Accepted Answer

Musical ability is a quantitative trait as it varies on a continuum from individuals who have no musical ability to those who have exceptional musical ability. Cheek dimples and number of toes are discrete traits with only a few possible variations, while cystic fibrosis is a genetic disorder resulting from a specific mutation.