NEET Biology question

A boy has a normal brother and a colourblind sister. What is true about his parents?

(A)His father was normal but mother was colourblind
(B)His father was colourblind but mother was carrierCorrect
(C)Both father and mother were colourblind
(D)Both father and mother were normal

Answer: (B)

Solution

If the father is colourblind () and the mother is a carrier (), sons can be either (normal, receiving the mother's ) or (colourblind), and daughters can be either (carrier/normal) or (colourblind, receiving

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Question ID VK-119641