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Question
If the mother is normal and the father is haemophilic, then their two daughters will be ______.
Options
Normal
Haemophilic
Carrier
None
Solution
If the mother is normal and the father is haemophilic, then their two daughters will be carriers.
Explanation:
In the event that the mother is normal (XX) and the father is haemophilic (Xh Y), the daughters will be carriers (XhX) because they inherit one X chromosome from the mother and one from the father, which transmits the haemophilia gene.
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Choose the correct answer:
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Find out the probability of the first child being colourblind, whether it is a boy or girl.
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