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Gene mutation on the X chromosome is most common and also explains why (depending on nationality) some 7% of males, but less than 1% of females exhibit color blindness of some form. Males only have one X chromosome, whereas females have two.
Women have a pair of X chromosomes, men have only one from their mother. Color blindness is found in men much more often than women, and the reason is because men don't have a spare X chromosome.So if the red-green color blindness gene is not working in a man, there's no spare one to replace it with.ed green color blindness ridley talks chromosome mutations chromosome x matt ridley sensitive proteins x chromosome x chromosomes x story color vision interviewee sex linked disorder genes females pairs colors. Downloads: