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Depending on the parents' genotypes, children will be:

  • AB if the mother has BB genotype and father has AA genotype.
  • AB & A if the mother has BO genotype and father has AA genotype.
  • AB & B if the mother has BB genotype and father has AO genotype.
  • AB, A, B & O if the mother has BO genotype and father has AO genotype.
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10y ago
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15y ago

Amusingly enough the blood type of the child can be A, B, AB or O.

Source:

= Canadian Children's Rights Council = http://www.canadiancrc.com/Paternity_determination_blood_type.aspx

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14y ago

If someone has blood type A, they must have at least one copy of the A allele, but they could have two copies. The genotype would be either AA or AO. Since each parent donates one of his or her two alleles to the child, the mother whose blood type is O could only pass an O allele to her son or daughter, the father a type A allele. This couple could only have children that are Type A or Type O.

AA, AO, OA, or OO are the possible allele genotypes.

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13y ago

The father's bloodtype has to be A.

The mother would have been heterozygous for blood type A - AO. She gave her O to the child.

The father would have been the one to give the A, so he could be either AA or AO but either way he's type A.

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14y ago

No. The child can either have type A blood(IAi) or type O blood (if mom is heterozygous IAi).

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13y ago

Child could be A, B, AB or O.

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Q: If the mother has a blood type and the father has b what will the child have?
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If a father has blood type a and the mother is type o then whats the child?

The child's blood type is probably B.


If a mother has O negative blood and her child has A positive blood what type of blood should the father have?

The blood would be A+, the child's is always pretty much what the Father's is.


Can an B positive blood type mother and an B positive blood type father parent an A positive child?

No. The child will be type B or O, it cannot be type A.


Your fathers blood type is 0- and your blood type is O plus what blood time would your mother have to be?

I was told that a mother that is a+ and child is 0+ that it OK for the father to be 0-


Father is O positive and Mother is A positive what will child blood type be?

the child blood type will be A the child could be type A or O

Related questions

Can a mother with blood type r-a and father with o - positive blood have a chaild with a-a blood type?

He mother and father have nothing to do with the child's blood type


Could a father with a blood group ab have a child that is O blood group?

Absolutely. A child will either have its mother's blood type or its father's blood type. If the mother's blood type is NOT O, then someone else is the father.


Can a child has blood type B if a mother has blood type B and father has blood type O?

Yes, the child's blood type can be B if the father has o.


What blood type will the baby have with a mother with type a blood and father with type ab blood?

Possible blood types of the child with a mother who has A blood type and a father who has AB blood type are A, B, and AB. :)


If a father has blood type a and the mother is type o then whats the child?

The child's blood type is probably B.


If mother and father is A blood group can child be B positive?

If the mother is A, and the father is A, then the child will only have A antigens and will thus be blood type A. If father or mother are AB, then the child can end up with AB, A, or B blood type. http://en.wikipedia.org/wiki/Blood_type


If the father's blood type is A positive and the mother's blood type is O positive can the child's blood type be O negative?

No, because a baby gets their blood from their father, not their mother.


if a mother blood type o+ the father blood type is b+ the child is a+ can he be father that child?

No. The mother only has type O antigens and the father has type B (and possibly O). Neither of them could have supplied the type A antigens to the child.


If the mother is A positive and the father is O positive what would the child's blood type be?

If the mother is A type blood and the father is O type blood, there are two options that can arise. Either the mother's A-type goes through and the child's also an A-type, or the mother's A-type doesn't go through an the child's an O-type. Because neither parent sport a B-type in their blood, the child cannot possibly have this blood type.


What blood group would a child have if father is a and mother is o?

The child can have either A-type blood or O-type blood.


Should a child with A positive be same as the mother?

Blood types are received from the mother and father, so the child can be the same type as the mother if the father's type allows it.


Can child have o type blood from ab mother and o father?

No. The child will have either type A or type B blood.