An individual who has only one kind of functioning cone will have:
A) night blindness
B) dichromatic color blindness
C) total color blindness
D) problems with light adaptation

Question

Quizplus · Accepted Answer

An individual with only one kind of functioning cone will have total color blindness, also known as monochromacy. This condition means they cannot distinguish any colors, seeing the world in shades of gray, because normal color vision requires at least two types of functioning cones to compare light wavelengths.

An Individual Who Has Only One Kind of Functioning Cone