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What is True about colour blindness: September 2005 and explain in detail?
Ans. D: Defect in 1 or more prime colours Colour blindness is inherited as recessive and X-linked characteristics. The prefixes "Prot-" "Deuter-"and "Trit-" stands for defects of Red, Green and Blue cone systems. So tritanopia (Rarest) has Defect of blue colour. Trichromats are normal individuals.