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It depends on the genotype of the parents: If they are AO and BO the child could be all of the 4 ABO-Bloodtypes: AO (= bloodtype A) BO (= bloodtype B) AB (= bloodtype AB) OO (= bloodtype O) If they are AA and BB the child could only be bloodtype AB If they are AO and BB the Child could be AB, or B (BO) If they are AA and BO the child could be AB or A (AO) In short, when the genotype is not given, the child can have any of the ABO-Bloodtypes

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15y ago
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13y ago

It totally depends on the parents' genotypes.

If the mother has IAIA and the father has IBIB, the child has a 100% chance of having blood type AB.

If the mother has IAIA and the father has IBi, the child has a 50-50 chance of having between having blood type AB or A.

If the mother has IAi and the father has IBIB, the child has a 50-50 chance having between having blood type AB or B.

If the mother has IAi and the father has IBi, the child has a 25% chance for every blood type: A, B, AB, and O.

Overall, the child is most likely to have the blood type AB if the parents' genotypes are unknown.

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15y ago

Yes, if the father's genotype is IBi, in other words he is carrying the recessive gene.

The woman, if she has type AB, must have the genotype IAIB.

A child with blood type A would result from a sperm carrying the i allele fertilizing an ovum (egg) with the IA allele. This child has blood type A and carries the recessive allele.

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13y ago

If both are homozygous (AA, BB): AB is possible.

If both are heterozygous (Ai, Bi): A, B, AB, or O is possible.

If the woman is homozygous but the man isn't (AA, Bi): A or AB is possible.

If the man is homozygous but the woman isn't (Ai, BB): B or AB is possible.

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15y ago

A person with blood group AB has a genotype IA/IB and a person with blood group B has genotype IB/i. The possibilities of the blood group of the child would be combination of the above genotype which would be:

* IA/IB * IA/i * IB/IB * IB/i The blood groups thus possible would be AB, A and B. Thus, the child could be of blood group AB, A or B.

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9y ago

A woman with type A negative blood who has children with a man with B blood may have a child of any blood type. The possibilities depend on the genotypes of the parents, which aren't given here.

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12y ago

Blood types are random. There is no real way to determine what kind of blood type a child will be.

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Q: What are the possible blood types of a child if a woman with Type A- blood marries a man with B?
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Related questions

Can parents both blood type A positive have a child A positive blood type?

In that given scenario, the possible blood types of the child are: A-, A+, O+ and O-.So Yes, it is possible to have a child with A positive with 25%.


Can the father be o pos the mother be A the child be A?

Yes, that is possible. It would also be possible for the child to be A+, O+, or O-, but no other blood types are possible.


What are the possible blood types of a child who's parents are both heterozygous for B blood type?

Only B and O are possible


If parents have O and A blood types what would be the possible outcome for their child?

a or o


What blood types can be formed by crossing A genes with B genes?

If the parent's blood type is A and B, respectively, the possible blood type of their child are A, AB, B and O.


When O positive man marries an A Negative girl will their child have health problems?

Mixing blood types will not any impact on the health of a child, only the resultant inherited blood type. This particular mix will produce a child with an A pos or A neg or O pos or O neg blood group.


Which is a possible geotype of a child of parents with blood types O and AB?

IAi, IBi


Is it possible for 2 parents with type b blood to have a child with Type 0 blood?

Yes, they can have a child with blood type AB, which is the rarest of the four types.


Can O mom have a child with a father AB?

Yes she can. There are two possible blood-types for the child in this scenario: AO (or A) and BO (or B).


Can AB mom have a child A with the father o?

Yes she can. There are two possible blood-types for the child in this scenario: AO (or A) and BO (or B).


Is it possible to have a child with blood type AB when the mother having blood type O and the father having blood type A?

If the mother has O type blood and the father has A then the child could not have AB blood type. The possible blood types for these two people children would be type A and O. Lookup a Blood Type Calculator on the net and type in the different blood types and see the results.


A man with blood type o marries a blood type ab what are their childrens probability in blood types?

The children will have type AB