Why is the frequency of red-green colour blindness is many times higher in males than that in the females ?
Why is the frequency of red-green colour blindness is many times higher in males than that in the females ?
Females have $XX$ chromosomes, to become colourblind both the chromosomes should have alleles for colourblindness.
However males have only one$X$ chromosome so they have more chances of colourblindness.
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