The Relationship Between the Direction of the Whorl of Hair

Multiple Choice

The relationship between the direction of the whorl of hair on the top of the head and handedness supports the idea that

A) left-handed and right-handed people have different types of hair follicles.
B) using one hand or the other results in neurological changes that cause a whorl to go in a specific direction.
C) a single gene has a major influence on asymmetry throughout the body.
D) a single hormone has a major influence on asymmetry throughout the body.