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No. The baby could have a negative Rh factor, but it would have either the A or B blood group.

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Q: Can ab neg and o pos have a baby o neg?
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What are differences between blood types?

Blood type A+ positive cand donate to people that have types A+ or AB+. They can receiver blood from Apos & neg, O pos & neg. Type O+ can give to O+ A+ B+ AB+ & only receive from O pos & neg Type B+ can give to B+ and AB+ and receive from B pos & neg; O pos & neg. Type AB+ can give only to AB+ and receive from EVERYONE A- (neg) can give to A pos & neg; AB pos & neg & receive from A neg & O neg. O- (neg) can give to EVERYONE and receive only O - (neg) B- (neg) can give to B pos & neg; AB pos & neg and receive from B- and O- AB- can give to only AB neg & pos and receive from AB-, A-, B-,O- **Type O blood is the universal blood type and is the only blood type that can be transfused to patients with other blood types **There is always a need for Type O donors because their blood may be transfused to a person of any blood type in an emergency


What blood types and rh facors produce o neg?

a or ab neg and o pos


Can o positive and a postivie make ab positive baby?

yes, if you both are ab pos you can have a o neg baby. it depends on what the grandparents on both sides have as well as the parents and which is "dominate"


If mothers blood group is O- and father is AB plus what will be a child blood group?

We are looking for the possible blood types of a baby.Parental information:Mother type O neg = can only be OO and Rh (--) Genes: O & (-)Father type AB pos = can only be AB and Rh (++) or (+-) Genes: A, B, (+), (-)Baby receives one gene from each parent: Baby is type AO Rh (+-) = Type AposBaby is type AO Rh (--) = Type A negBaby is type BO Rh (+-) = Type B posBaby is type BO Rh (--) = Type B negIf the parents are O neg and AB pos, they can have a Type A pos/neg or Type B pos/neg baby.


If mother is A plus and the father is O plus can the baby be A negative?

Yes. And I am A neg. Dad is O pos and mom A pos


What type blood can o negative accept?

All types according to the link below.


If the parents are blood Type A neg and Type O pos could they have a Type A pos child?

We are looking for the possible blood types of a baby.Parental information:Mother type A neg --can be AA or AO with Rh (--) = contributes A, O, (-)Father type O pos --can only be OO with Rh (++), (+-) = contributes O, (+), (-)Baby receives one gene from each parent: Baby is type AO with Rh (+-) or (--) = Type A pos/negBaby is type OO with Rh (+-) or (--) = Type O pos/negYES, these parents could produce a Type A positive child.


Can a B positive mother and a AB positive father produce a O negative child?

We are looking for the possible blood types of a MOTHER.Available information:Father type O pos -- can only be OO with Rh (++) or (+-)Genes: O, (+), (-)Baby type O neg -- can only be OO with Rh (--)Baby receives one gene from each parent: Mother must contribute an O and Rh (-)Blood type AO with Rh pos (+-) or neg (--)Blood type BO with Rh pos (+-) or neg (--)Blood type OO with Rh pos (+-) or neg (--)With the father contributing an O and (-) gene, the mother mus contribute the other O and (-); therefore the mother can be Type A pos/neg, Type B pos/neg or Type O pos/neg, with Type O neg being the best case of getting the O neg baby.


Can mother with B negative blood and father with O positive blood have a baby with AB negative blood type?

We are looking for the possible blood types of a baby.Parental information:Mother type B neg -- can be BB or BO and only Rh (--)Father type O pos -- can only be OO with Rh (+-) or (--)Baby recieves one gene from each parent: Baby is type BO Rh (+-) = B posBaby is type BO Rh (--) = B negBaby is type OO Rh (+-) = O posBaby is type OO Rh (--) = O negNOTE: There is NO A gene for either parent. Generally the baby will be either Type B pos/neg or Type O pos/neg.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.A baby from these parents could be AB neg IFIf one Type O parent has the inhibitory gene affecting his AA, AO or AB type, then the baby can be AB negative.


Can ab neg receive o positive blood?

Yes, people with AB positive blood can receive O positive blood. In fact, AB+ can receive *any* blood, A, B, O, or AB, positive or negative. It is the other blood types that have restrictions.


What blood type do you have if dad is O and Mom is B?

We are looking for the possible blood types of a baby.Parental information:Mother type B neg -- can be BB or BO with Rh (--)Gene contribution B, O, (-) genesFather type A pos -- can be AA or AO with Rh (++) or (+-)Gene contribution A, O, (+), (-)Baby receives one gene from each parent: Baby is type AB (+-)/(--) = Type AB pos/negBaby is type AO (+-)/(--) = Type A pos/negBaby is type OO (+-)/(--) = Type O pos/negBaby is type BO (+-)/(--) = Type B pos/negFrom this B neg x A pos mating, the Rh factor will be either pos/neg in each case, and the children may have any of the 4 ABO phenotypic results.


If you have blood type O neg and your wife has O pos how is it possible for your baby to have B pos?

*Note from asker: Both my parents and at least one brother have B pos blood... Possibility of a throwback gene?