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प्रश्न
The maternal grandfather of a boy is colorblind, but his maternal grandmother is normal. The father of the boy is also normal. What is the probability of this boy being colorblind?
उत्तर
- As the maternal grandfather is colorblind and the maternal grandmother is not colorblind, the mother will be normal with a carrier.
- Since the father is normal, the boy has a 50% chance of being colorblind.
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