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

Parental information:

  • Mother type A -- can be AA or AO - contributes A or O gene
  • Father type A -- can be AA or AO - contributes A or O gene
Baby receives one gene from each parent:
  • Baby is type AA = Type A
  • Baby is type AO = Type A
  • Baby is type OO = Type O
Generally when the parents are both Type A, the baby will also be Type A, but there is a chance that the baby may be Type O, if the parents are heterozygous for Type A (AO).
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10y ago

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

Parental information:

  • Mother type O -- can only be OO = contributes O gene
  • Father type AO -- given heterozygous AO = contributes A or O gene
Baby receives one gene from each parent:
  • Baby is type AO = Type A
  • Baby is type OO = Type O
Generally the children's blood types will reflect the parents' types in this instance.

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.

If the Type O parent has the inhibitory gene affecting her Type A, B or AB blood,

then the Type B or AB baby is definitely possible.

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Q: If your mom has A blood type and your dad has A blood type what are the possible blood types for you?
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What blood type would a man have to exonerate him from being the father of Type B child whose mother is Type A?

We are looking for the possible blood types of a "NON"-FATHER.Parental information:Mother type A --can be AA or AO - contributes the A or O geneBaby type B --can be BB or BO - has to be BO getting O gene from momBaby receives one gene from each parent: Mom type AO + Dad type BB/BO = Baby type AB, BO, OOMom type AO + Dad type AB = Baby type AA, AO, BB, BOThe father would not be these blood types: Mom type AO + Dad type AA/AO = Baby type AA, AO, OOMom type AO + Dad type OO = Baby AA, OOGenerally, Dad cannot be Type A (no B gene here), nor Type O (OO). 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.If the father has the inhibitory gene affecting his B or AB type,then the Type B baby is definitely possible.


If dad has blood type A and mom has blood type B can they have a child with blood type O?

Yes. Type O blood requires that you have two recessive genes, one from each parent. Each of your parents can carry one of these and have a different type of blood. In this case, there is a one in four chances of the child having type O blood.


Your father has A positive blood and your mother has O negative and you recently found out that you are type B what is the likelihood of your dad actually being your dad?

If your father has type A blood and your mother has type O blood, then the only possible blood types for their offspring are type A and type O. If you have type B blood, then one of your parents must have had either type B or type AB blood. It is possible that one of your parents is mistaken about his or her blood type or that the blood test results were inaccurate. It is possible that you are adopted. It is possible that one of your parents is not your biological parent, although this does not mean an affair, since sperm donation is a possibility. Because of a relative having an unusual blood type situation, I discussed it with a geneticist. A bone marrow transplant can occasionally change a person's blood type. Or, whoever did your blood test might have been slow (e.g., interrupted) or inexperienced in processing the sample (e.g., a high school science class), so you might have blood type O but appear to be blood type B. Or, your mother might have the Bombay phenotype that means she has a B, but appears to be an O. (This is what my relative probably had, which was why his blood type test results alternated.) It is also possible that one of your parents is a chimera, but I was told that this was the least likely possibility, so if you want more information on chimeras, check the Wikipedia link below.


Blood type o and blood type ab equals what blood type?

Yes. The Rh factor (the +/- part) is actually two parts with positive being dominate. So, a person with ++ or +- is called positive, and a person with -- is negative. As such; two people with +- blood can have a child with ++, +-, +-, or --. (which simplify down to +, +, +, and -)


If the Mother is blood type O father is A what should be their child's blood type?

Blood group O is caused by a recessive gene (symbol: i). The mother must therefore be homozygous (ii). The offspring must, like Mum, have two copies of the recessive gene, and one of these must have come from Dad. So the father's possible genotypes are IAi (blood group A), IBi (group B), and ii (group O), all of which include a recessive gene that could be passed on to the offspring.

Related questions

Is it possible to have a child with blood type O if the mom has blood type A and the dad has blood type B?

yes


Can a baby born with type AB blood belong to a dad that has type A blood and mom has type O?

No...from what I have learned in biology, the way blood types are gotten are from the parents, and blood type A is I^aI^a or I^a^i , while blood type o is ii...the possible blood types that can come from it is type a and type o...there cannot be b or an because there is no b gene in it anywhere.


Is it possible to have a child with blood type O if the mom has blood type A and dad has blood type B show your work?

Yes.


If the mothers blood type is o positive and the sons blood type is o negative what types can the dad be?

Only AB negative.


What possible blood types will a baby have if mom has is O plus and dad is O?

o negative


If you have a mom with blood type A plus and a dad with blood type A plus what blood types could you have?

You could be A positive, A negative, O positive or O negative.


If your dad's blood type is O and your mom's blood type is AB is it possible you and your brother are both AB?

nope that is not possible according to the plummet square. The possibilities for you and your brother is 50% A or 50% B.


Mom's blood type is O- Dad's blood type is O plus Can Baby's blood type be A plus?

No, because O is recessive. So, the mom and dad both have OO alleles for blood types. Due to that, they each have to give the baby an O allele, so the baby will be OO.


Why do you have the same blood types in your family?

Genes and traits get passed just like if your dad had bbrown hair and your mom had blonde hair you would either have brown or blonde so you either get your dad's family blood type or your mom's family's blood type


Is there an RH type blood?

Blood types are hereditary. Your specific blood type is determined by the type of blood that your parents have. Remember that your blood type is determined by both your mom and your dad, so just because you have a specific blood type does not mean that your parents are the same or that your children will share your blood type.


Can a woman with type a rhnegative blood have a healthy baby with type b rh positive blood?

We are looking for the possible blood types of the FATHER.Available information:Mother type B -- can be BB or BO = contributes B or O geneBaby type A -- can be AA or AO = must recieve O from mom & A from dadBaby receives one gene from each parent: Mom is BO and Dad is AA = baby AO or ABMom is BO and Dad is AO = baby AO, AB or OOMom is BO and DAd is AB = baby AO, AB, BBIf the mom is heterozygous Type B, and the dad is Type A or AB, then they could have a baby who is Type A.


Mom has a positive blood type dad has b negativeblood type can it produce a child with o positive blood type?

Since O blood is recessive and B is dominant, this scenario would be possible