A Unilateral Dichromat _____

Multiple Choice

 A unilateral dichromat _____.

A) has trichromatic vision in one eye and dichromatic vision in the other eye
B) can only see black, white, and grays
C) can match any wavelength with three wavelengths in the comparison field, but is not as good as trichromats at discriminating small differences in wavelengths
D) is more common in the U.S. than protonopes