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If one parent has blood type B and the other blood type O, it is possible to have a baby of blood type O or B. It is NOT possible (0% chance) to have a baby with blood type A.

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Is it possible for someone to have blood group 'o' if both parents are 'a'?

Yes. Someone is type A if their alleles are either Ia and Ia OR Ia and Io. Having either combination will yield someone's blood group as type a. Suppose both parents have the latter combination Ia and Io. Using a punnett square, there is a twenty five percent chance that the child will get Io and Io (type O blood).


How is it possible for a married couple both with A type blood to have children with a blood type of O?

If both parents are blood type A, they can each carry a recessive gene for blood type O. When these recessive genes are passed on to the child from both parents, the child will have blood type O. This is a result of both parents being carriers for the O blood type gene.


What blood type will the offspring be if the Mother has A- blood and the father has O- blood?

The offspring could have blood type A- or O- due to the possible combination of A and O alleles from the parents.


For a child to have A blood type do both parents have to be A?

no, if both parents are A still there is a chance of O baby ,but for the child to have A blood type atleast one of the parents must have A or AB blood group Parents having the following blod groups may have an A baby AA and AA baby will have A blood group only AA and AO baby with A group only AO and AO baby may have A or O blood group AB and OO baby with A or B blood group AA and OO baby with A blood group only AAand AB baby with A or AB blood group AO and BO baby of A AB B or O blood group AO and AB baby of A AB or B blood group AB and AB baby having A B or AB blood group (each individual has one,two or no antigens .when no antigen it results in O blood group ,when one or two A antigens ,the person has A blood group so its not necessary that both parents of A blood group child have A blood type


What are the possible blood types for the parents of a A neg child?

The parents could be any combination of blood types that includes A and Rh- factors. Potential blood types for the parents could be A neg and O neg, A neg and A neg, A pos and A neg, or A pos and O neg, among others.

Related Questions

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

No, a child's blood group does not have to match either parent's blood group exactly. A child's blood group is determined by a combination of the parents' blood types, following specific inheritance patterns. It is possible for a child's blood group to be different from that of their parents.


Can parents with o negative blood and b negative blood have a child with a negative blood?

yes it can be possible too as the parents is already with an o blood group..


Your blood type is o plus your babies a plus is this normal?

yes it is possible if one person in parent with A blood group


Can a baby with ab positive blood group come from parents with o positive blood group?

Yes! Yes indeed. Does the baby look like the mailman? No. O parents can't make AB babies.


What are the blood types possible in offspring if both the parents have 0 positive blood group?

o-


Can parents with b positive and o positive blood have a child with O negative blood?

yes it can be possible too as the parents is already with an o blood group..


Can parents with b positive and o positive blood have a child with b negative blood?

yes it can be possible too as the parents is already with an o blood group..


Will mother with blood group A Rh negative always have just babies of same gender?

No, a mother with blood group A Rh negative will not always have babies of the same gender. The gender of a baby is determined by the genetic contribution from both parents, not by the mother's blood type.


Is it possible for both parents with blood group o positive have a child with A positive?

yes


AB and O parents what will be the effect on child?

When the parents are with blood group AB and O, the possible blood group of the child would be either A or B. This is because the blood group AB has the genotype AB and blood group O has the genotype OO. Thus upon recombination, the only outcomes would be AO - meaning blood group A, or BO- meaning blood group B.


Can 2 A plus parents have a 0 plus baby?

Two parents with blood type A+ can have an O+ baby. If they do so, the parents are certainly heterozygous for type A.


Is it possible for a child with O negative blood group to have both parents with O positive blood groups?

Yes. Negative is recessive.