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If with A + and O +

Baby can have : A + or O +

If with A + and O -

Baby can have : A +, A-, O +, O -

If with A - and O +

Baby can have : A +, A-, O +, O -

If A - and O -

Baby can have : A + or O -

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Q: If one parent has A blood type and the other has O- what blood group may possible for their baby?
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Related questions

What would be the possible blood group of a child if one of his parent has blood group AB and other has O?

A,B,AB or O. The +\- would depend on the parents rh factors


Can an O- parent have an A- child what is the other parental blood group?

yes, the other parent could be: A+, A-, AB+, or AB-


Is it possible to have a child that is O blood group from a father with A blood group and mother B blood group?

The short answer is YES. To explain as simply as possible; Each of us inherits a set of genes from each parent, a set of alleles from each parent; in the case of blood type, the alleles that may be present at the site on the chromosome responsible for blood type may be either A,B, or O (O actually being the absence of A or B). In the above question, if one parent's alleles are A and O (remember, everyone has two alleles), their blood type is A; if the other parent's alleles are B and O, that parent types as B. If their child inherits the "O" allele from each parent, that child will be type O.


Could a child of blood group B with a mother of blood group A have a father of blood group A?

Yes, either parent may have had a parent which carried the B antigen blood group gene. A parent that has A+ blood may also carry a dormant -RH (Rhesus monkey) gene inherited from a parent. Should the other parent have neg. RH blood type, a child may be born with B+ or B- RH blood type. In short; you need to know the blood group of the child parents & grandparents to determine whether B antigen blood group may or may not be excluded as a possibility.


Can your sisters be o blood group and yourself b blood group?

Yes, you can have a sister with blood type O and you can be blood type B. This can happen if you have one parent with type AB or B blood, and other parent with type O or B blood.


Is it possible for parents who are both blood group O to have babies who are blood group A?

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.


If one parent is A positive and the other is O positive what possible blood types?

AO positive is the only possible blood type.


If a child does not have either one of his parents blood type is he there child?

yes. If one parent has blood group A (as in genotype AO) and the other has blood group B (as in genotype BO) can have a child with blood group O


What is the produce of o blood group and ab blood group?

If one parent is O and the other is AB, the child can either be blood type A (genotype AO) or B (genotype BO).


If one parent has AB-blood type and the other has O-blood type what blood group will their child have?

Either A or B; AB and O are impossible.


If one parent had type B blood and other parent has type O blood is it possible that their unborn child gets type A blood?

It is possible in the very rarest of cases when actually the O parent is an A without producing the protein. In most cases, however, no.


Can b blood and ab blood have a o blood child?

No - this is not possible. The child must inherit one allele from each parent. This means that if one parent is AB, they must donate either an A or a B to the child. This means that the only possible blood types are A, B and AB (depending on whether the other parent is BO or BB). If the parent with B blood type is homozygous, BB, then the child can only be B or AB.