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Question
If husband has blood group O and wife blood group AB, the blood group of the child cannot be
If husband has blood group O and wife blood group AB, the blood group of the child cannot be
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Solution
The correct option is D O or AB
Our blood groups are of four types namely A, B, AB or O. In the ABO system, the A and B genes are co- dominant and the O gene is recessive. Thus, a person whose genetic type is either AA or AO will have blood type A, those with genetic type BB or BO will have blood type B, and only those genetic type OO will have blood type O. This means that a child with type O blood could have parents with type A, type B, or type O blood (but not with type AB). If two parents both have type O blood, all their children will have type O blood. If the husband has blood group O and wife blood group AB, the blood group of the child will be A or B but cannot be O or AB.
Our blood groups are of four types namely A, B, AB or O. In the ABO system, the A and B genes are co- dominant and the O gene is recessive. Thus, a person whose genetic type is either AA or AO will have blood type A, those with genetic type BB or BO will have blood type B, and only those genetic type OO will have blood type O. This means that a child with type O blood could have parents with type A, type B, or type O blood (but not with type AB). If two parents both have type O blood, all their children will have type O blood. If the husband has blood group O and wife blood group AB, the blood group of the child will be A or B but cannot be O or AB.
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