A dichromat _______.

A) sees all colors
B) is either red-green or yellow-blue color blind
C) responds only to blue-yellow or red-green
D) responds only to black and white

Dichromat

An individual with dichromacy, a form of color blindness where one has difficulty distinguishing certain colors due to the absence or malfunction of one of the three types of cone cells in the eyes.

Red-green

Often related to the type of color blindness where individuals have difficulty distinguishing between red and green hues.

Yellow-blue

A type of color vision deficiency where individuals have difficulty distinguishing between yellow and blue hues.