NEET Biology question

Colourblindness is caused due to

(A)Recessive female chromosomeCorrect
(B)Dominant female chromosome
(C)Dominant male chromosome
(D)linkage

Answer: (A)

Solution

Colour blindness is caused by a recessive allele carried on the X-chromosome (the "female" sex chromosome, present in both sexes but in two copies only in females),

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Question ID VK-119714