People who are red-green color blind:
A)Have poor visual acuity
B)Can have "green" cones filled with "red" photopigment and vice versa
C)Have night blindness and or poor dark adaptation
D)All of the above

Question

Quizplus · Accepted Answer

People who are red-green color blind have mutations in their red and/or green cone photopigments, causing them to not be able to distinguish between certain shades of red and green. This can be caused by having "green" cones filled with "red" photopigment and vice versa, as stated in choice B. Choices A and C are not accurate statements about red-green color blindness.

People Who Are Red-Green Color Blind