Answer:
Colourblindness is X-inked sex inheritance.
For becoming colour blind, the female must have the allele for it in both her
X-chromosomes and if only one X-chromosome of female possess allele for colour
blind character she becomes the carrier for this characteristics But males
develop colour blindness when their sole X- chromosome has the allele for it.
Thus males are more prone to colour
blindness while females are carriers.
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