Answer:
I think the answer is C I hope you get this right, tell me if I am wrong plz
Explanation:
The answer would be B, because they have subcellular organelles.
When our red-sensitive nerves in our eyes cannot respond to light properly this will result in color blindness - b.
When either of the three light-sensitive nerves in our nerve tracts; either green, red or blue, we become to color blind for a certain spectrum of light from nature.