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Yes. The genotypes of the father could be BO or BB (Phenotype = B) The genotype of the mother is OO(Phenotype = O) Mating these genotypes will produce either OO (Phenotype O) or BO (Phenotype B) In short, children from these parents are B or O The Rhesus(D) positive was inherited from the father.

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15y ago
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10y ago

We are looking for the possible blood types of a baby.

Parental information:

  • Mother type O -- genetically OO and only able to contribute an O
  • Father type O -- genetically OO and only able to contribute an O
Baby recieves one gene from each parent
  • Baby is OO = Type O since the only gene parents can give is O
  • Not looking at Rh factor since all people involved have Rh(+).
HOWEVER: There is more to ABO blood typing that just the ABO gene.

There is also an inhibitory gene that will change any genotype into the phenotype O.

Therefore a person with genetically AB blood can be tested as having Type O.

  • Baby is type A+ which can be genetically AA or AO
If one parent has the inhibitory gene affecting their AA, AO or AB type,

then the Type A baby is definitely possible.

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12y ago

Yes. Each person has two genes for the ABO portion of blood type. Each parent 'gives' one of these genes. If Mom has the genes AO (she would be blood type A) and Dad also has the genes AO (he would be blood type A), they could each give the O gene to baby making baby blood type O. The Rh factor (postive/negative) is only 'given' by one parent, so baby has a 50/50 chance of being positive or negative, depending on which parent gives the gene.

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13y ago

Yes, this can happen but with a low percentage reaches to 25%, if both parents geno-type are heterogeneous.

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11y ago

Yes if the parents have a recessive gene for Rh negative.

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14y ago

Yes: A - & O+ = A+/- (or) O+/-.

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14y ago

No chance

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12y ago

No

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12y ago

yup.

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Q: Can an A neg mother and O pos father have a child with A pos blood type?
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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.