Which of the following is NOT a trait based on a distinct set of recessive trait gene pairings?

A) baldness
B) red-green color blindness
C) high susceptibility to poison ivy
D) intelligence

Baldness

The lack of hair on the scalp, also known as alopecia, which can be partial or complete.

Color Blindness

A visual impairment where an individual has difficulty distinguishing between certain colors, typically reds, greens, and sometimes blues.