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both parents could be A heterozygous

or

one A heterozygous and the other O

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Q: If children with blood group O and a what could be the blood group of parents?
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Related questions

If both parents are both type a positive blood what blood type will their children be?

blood group "A" or "O".


Does a child blood group have to match with parents blood group?

no. the genes are mixed together could make your child categorises in a different blood group than you. :)


If mother and father has AB blood what blood type will the child have?

Most likely, AB. But that doesn't mean it must just happen. The blood group of children is also affected by the blood group their grand parents had. So, if a kid's grand parents had different blood group and his parents had different, then, there are just chances of either of them.


If the parents are AO and BO genotypes for the ABO blood group their children could include what genotypes?

25% AB, 25% A, 25% B and 25% O


Can a baby have the mother's blood type?

The two AB parents could have any of an A, B or AB, but not O.The two A parents could have either A or O children, but not B or AB.The two B parents could have either B or O children, but not A or AB.The two O parents could only have O children; they cannot have have A, B or AB.If both parents have rhesus-negative blood, so will their children. If both have positive, the child might be either.


What will baby's blood type be if mom's is AB and dad is o?

Could be anything, we get our blood group from either parents or grandparents.


Can both parents with blood group b produce blood group a?

No


Can parent both blood type o positive have a child with b positive blood type?

No, an O-group set of parents can never have children with blood that is not also O-group. They lack the necessary B allele.


Can o positive blood group and o positive blood group parents have child?

Yes, blood type has no bearing on weather or not the parents can have a child


Can O positive blood group and B positive blood group parents have child?

Yes, blood type has no bearing on weather or not the parents can have a child


My blood type is O positive. Is my brother my full brother when his blood type is AB?

yes probably. you dont have to have the same blood group as your siblings and even your parents, you could have the same blood group of any of your grandparents.


Can child with AB- have parents with O blood?

If parents are O.Child is with O blood group.