b) Up to 1 in 10 that is about 9% of Caucasian males are color blind and cannot differentiate red colored objects from green color. The red and green color blindness is mostly found only in men than in women. Because the gene that guides to red-green color blindness is identified in the X chromosome. Males contain only one X chromosome, while females have two X chromosomes. Normally in females the effective chromosome get priority, therefore they maintain accurate vision.