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Without any further family information, the baby could either be blood type O or blood type B.

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What blood type a baby will be if father is o and mother is a?

The genotype of the father is certainly OO (because blood type O is recessive). The genotype of the mother however can be AO or AA (both give blood type A). The baby will have a combination of the genes from the mother and the father (one of each) and so: - If the genotype of the mother is AA and the genotype of the father is OO, the baby will certainly have AO as genotype and has therefore blood type A. -If the genotype of the mother is AO and the genotype of the father is OO, the baby can have AO or OO as genotype. AO results in blood type A and OO in blood type O (50% chance).


AO mother BO father what type of blood will the baby have?

If the mother is AO (genotype: AA or AO) and the father is BO (genotype: BO or BB), their baby could inherit alleles AO, BO, AB, or BO. Therefore, the baby could have blood type A, B, AB, or O.


Mother o plus father a- any problem for baby?

Nope. Generally there may be problems only if mother is negative and the father is positive. The antibodies to A/B blood types are too large to pass through the placenta and so cannot hurt the baby.


Does first born baby have same blood type as mother?

Not necessarily. The blood type of a first born baby can be the same as the mother's, but it can also be different if the baby inherits a different blood type allele from the father. The baby's blood type is determined by a combination of the parents' blood types.


If the mother is A negative and the father is B positive what type of blood can the baby get?

It would all depend on the Dominant and Recessive blood type genes in the mother and father it is near improbable to tell unless you take a blood sample to test the blood type. == A rhesus negative mother and positive father can produce either a rhesus negative or positive child. A type A and type O parental combination will only produce either type A or type O children. So an A- mother and O+ father will normally produce offspring having the possible blood groups of A+ or A- or O+ or O-. See the link for a full explanation.

Related Questions

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

Yes, it is possible for a mother with A positive blood and a father with O positive blood to have a baby with A negative blood. The baby would inherit one A allele from the mother and one O allele from the father, resulting in A negative blood type.


Does a baby inherit the blood if the mother has a blood transfusion?

No. Red blood cells do not cross the placenta.


What blood type a baby will be if father is o and mother is a?

The genotype of the father is certainly OO (because blood type O is recessive). The genotype of the mother however can be AO or AA (both give blood type A). The baby will have a combination of the genes from the mother and the father (one of each) and so: - If the genotype of the mother is AA and the genotype of the father is OO, the baby will certainly have AO as genotype and has therefore blood type A. -If the genotype of the mother is AO and the genotype of the father is OO, the baby can have AO or OO as genotype. AO results in blood type A and OO in blood type O (50% chance).


Can father is A blood group and mother is B blood group and baby is male or female?

Yes, it is possible for a father with blood type A and a mother with blood type B to have a baby who is male or female with blood type AB if the baby inherits one A allele from the father and one B allele from the mother. In the ABO blood group system, the A and B alleles are codominant, meaning both can be expressed in the offspring.


AO mother BO father what type of blood will the baby have?

If the mother is AO (genotype: AA or AO) and the father is BO (genotype: BO or BB), their baby could inherit alleles AO, BO, AB, or BO. Therefore, the baby could have blood type A, B, AB, or O.


What is the baby if Father is a mother is b?

The Baby Would Be Type A Blood


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.


Can a mother with b plus blood type and a father with b plus blood type have a baby with a blood type?

Yes, it is possible. The geneotype of the mother would be either BB or BO and for the father would be OO. If you cross the father's geneotype and either of the mother's then at least two of the four outcomes will be for B blood type. As for the - and +, positive is dominant over negative. The father could be + - or + + and the mother would be - -. Either combination would result in at least two positives. Therefore, it is possible for the mother to be B-, the father to be O+ and the baby to be B+. I added the link to the website where I got my info from. I want to know if an rh b neg blood type mother and an O positive father can have an A positive baby?


If a mother is A positive blood type and father is O positive blood type can they produce a baby with A negative blood group?

No. The child can only inherit what his parents have. If either parent had an A in his type, he could give it to the child, but the father is B and the mother has neither A nor B. (If either parent had an A, it would show up in his or her type.)


Can a mother with A -blood type and father with B -blood type have a baby?

Of course!


If the father is A blood and the mother is O blood what will the baby get?

The baby will be type A or O depending on the genotype of the parents.


What type of blood will baby have with father a positive and mother o positive?

baby blood group will be A or O