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A colour blind man marries a woman with normal sight who has no history of colour blindness in her family. What is the probability of their grandson being colour blind? (1) 0.25 (2) 1 () 0.5 (4) Nil

Answer» A colour blind man marries a woman with normal sight who has no history of colour blindness in her family. What is the probability of their grandson being colour blind? (1) 0.25 (2) 1 () 0.5 (4) Nil


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