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LoginQuestion : A man with blood group A marries a woman with blood group O and their daughter has blood group O. Is this information enough to tell you which of the traits blood group A or O is dominant? Why or why not?
Class 10 Biology in Class 10 3 years ago
In case I let us assume that trait .A. is dominant. Then father may have `I^(A)I^(A) or I^(A)I^(O)` and mother `I^(O)I^(O)` .
In this case, 50 per cent of the progeny will have blood group A and 50 PERCENT of the progeny will have blood group O, when father.s blood group is A and mother.s is O.
In case II, let us assume that trait .O. is dominant. In this case also, we SEE that child may have blood group O.
SINCE, in both the assumptions the child can have blood group O so, we cannot establish which trait is dominant.
Posted on 04 Dec 2021, this text provides information on Class 10 related to Biology in Class 10. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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