Can an AB+ and B+ have an O baby?

If one parent has A and another has AB, they can either produce a child with A, B or AB blood types. If one parent has A and another has O, they can either produce a child with A or O blood types….ABO Blood Type Calculator.

Genotype (DNA)	Blood Type
OO	O blood type

Can B and AB parents have an O child?

Can an AB father and an A mother have an O baby? Yes they can. An AB parent can indeed sometimes have an O child. But it is by no means common.

Can AB positive couple have an O positive child?

In most cases, an O parent and an AB parent will have only A or B kids. It is only very rarely that they might have an AB or an O child (see the links at the end for these exceptions). Isn’t genetics fun!

Can blood type O and AB have a child?

An AB and O couple producing an AB child cannot be explained in terms of the usual inheritance patterns. One would not expect the cord blood result to be AB when the mother is type O, however, in very rare instances, such as the cis-AB blood type, it is possible.

Can an a and AB parent have an O child?

If you’re asking whether an A and and AB parent can have an O child the answer is no. The A parent could have a genotype AA or AO. The AB parent has to have the genotype AB therefore the child could be AA – blood group A, AB, AO – this would be blood group A, BO – this would be blood group B.

Can parents with blood groups a and AB produce a child?

So again the answer to your question is No! parents with groups A and AB cannot produce a child with blood group O. Just be careful where you go with this information. You need to be 100\% certain that the parents blood groups are accurate.

Can an ABO parent give their child an O blood type?

You need to be 100\% certain that the parents blood groups are accurate. In general the other answers are correct: the ABO system follows Mendelian inheritance, so an AB parent can only give an A or B allele to their child, and since both A and B are dominant over O, the child cannot be O. However, there are two possible exceptions.

Can two people with B blood type have a baby?

Two parents with B blood type can produce a child with either B or O blood type. One parent with A and another with B can produce a child with A, B, AB or O blood types. If one parent has A and another has AB, they can either produce a child with A, B or AB blood types.