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?

0.25

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0.5

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1

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Nil

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Solution

The correct option is A $0.25$
According to the chart, the daughter obtained will be carrier while if she is married to a normal man the probability of son being colorblind will be 25% i.e. 0.25.
So, the correct option is '0.25'.
'

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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?

The correct option is A 0.25 According to the chart, the daughter obtained will be carrier while if she is married to a normal man the probability of son being colorblind will be 25% i.e. 0.25.So, the correct option is '0.25'.'

The correct option is A $0.25$
According to the chart, the daughter obtained will be carrier while if she is married to a normal man the probability of son being colorblind will be 25% i.e. 0.25.
So, the correct option is '0.25'.
'