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The father can be A-, A+, AB-, or AB+

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15y ago

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If the mother is b negative and the father is a positive how is the child o negative?

The mother must be heterozygous b and the father must be both heterozygous b and heterozygous positive.


If the DNA of the mother is A and the child is A pos what is the DNA of the father?

Given that the mother's DNA is A and the child is A positive, the father's DNA must also contain the A antigen. The father could be A positive, A negative, AB positive, or AB negative.


Can a father with A-negative blood have a child with A-positive blood?

Yes, a father with A negative blood can have a child with A positive blood. If he does, the mother must have a positive Rh factor, and the mother's blood type may be any of the possibilities.


If mother is 0 positive and baby is a positive what is father?

The child can receive blood type parts from either parent, but must receive one half from the mother and one half from the father. As such, because the mother has neither A nor B, and the child has A, the father must have the A type in his blood, meaning he's either A type or AB type.


If a mother has o positive blood and the father has o negative blood can the baby have b positive blood?

No. The child must be type O.


Can a A- mom have a AB- child with a O plus dad?

No. The mother must be either AO or AA, and the father OO. No combination of these can give rise to an AB child. However, a negative mother and a positive father can have a negative child, by rhesus factors, if the father has genotype +-.


Can sisters get child support from their father if mother objects to it?

The mother must petition for child support.The mother must petition for child support.The mother must petition for child support.The mother must petition for child support.


What blood type is mother if Father is B positive and baby is AB positive?

If the child has AB blood, the A must come from somewhere. Since the B type's provided by the father, the mother could be A type, but this doesn't mean that the mother couldn't be AB type.


Can a mother have a positive and father have b positive can have baby with o positive blood group?

Yes, a mother with negative and a father with O positive can have a baby with B positive. If they do, the mother must have blood type B or AB.


Can a father with o negative blood type and a mother with o positive blood type have an a positive baby?

No. Either the mother or the father (or both) must have type A or AB blood in order for the child to inherit type A blood. Independently of their ABO blood type, either or both parents must also be Rh positive for the child to be Rh positive. In the case given, the baby could be Rh positive since the mother is Rh positive but it could not be type A since neither parent has type A or AB blood.


Mother with type B rh negative and child type B rh positive what type blood is father?

Outside the fact that he must be rh positive, you can't tell.


Can a mother with B positive blood and father with O positive blood have a baby with B positive blood?

Yes, a mother with negative and a father with O positive can have a baby with B positive. If they do, the mother must have blood type B or AB.