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Can an AB positive parent and B negative parent give birth to an O negative child?
Wiki User
∙ 11y ago
No, the child will inherit either the A or the B blood type antigen from the mother, plus any blood type antigen the father might provide. This would mean the child can only be A, B, or AB (should the father provide the opposite blood type antigen that the mother provides).
Wiki User
∙ 7y ago
Wiki User
∙ 11y agoNo. Possiblities for O child.
A mum + B dad
B mum + A dad
A mum + A dad
B mum + B dad
O mum + A dad
O mum + B dad
A mum + O dad
B mum + O dad
O mum + O dad
AB means that the person has an A from one parent and a B from an other. He or she doesn't have an AO or a BO. The O is recessive, so it doesn't show unless it's an OO pairing. In the case of A and B it could be in the genotype but doesn't show in the phenotype because A and B are dominant. In the case of AB however, it's not there (the O) and AB is the result of an A and B pairing since both A and B are equally dominant. Hope this helps. and if you have any doubts about a blood test just take another one or get the child to take another one. Mix-ups happen.
Wiki User
∙ 11y agoNo. Each parent donates one of their alleles to the child. This means that the child must inherit either an A or a B allele from the AB parent. Both A and B alleles are dominant - so therefore the child cannot have type O blood.
This means that the only possible blood types from an AB and B cross would be; AB, A or B.
It is possible to have a negative child if one parent is positive and the other is negative. However, in order for this to occur, the positive parent must be heterozygous (+- and not ++).
Wiki User
∙ 11y agoNo. Not if they are the biological parents.
Possibilities for the child are A, B, or AB only.
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Can a person that has o positive blood and a person with a positive blood make a child that has a negative blood?
CAN TWO POSITIVE BLOOD TYPES MAKE a negative blood type
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Can a non biological parent. Adopt a child in the state of kentucky without a biological parents signature
Can a rh negative child be born from parents who neither are rh negative?
Yes, an Rh negative child can be born to parents that are both Rh Positive. Each person carries two alleles or genes for the Rh factor. To be a negative you must have a double negative (-/-) since being Rh negative simply means that you do not have the Rh factor. If the two alleles of a person are positive and positive (+/+) then they are obviously positive. But if the are (+/-) they are still considered Rh Positive. The Rh factor is there, no matter what the strength. So as long as both parents are (+/-), they can both donate a negative gene to give their offspring a negative/negative (-/-) and make them Rh Negative. Aside from doing genetic testing, there is no way to easily test whether or not a person is (+/-) or (+/+). That can not be determined from normal blood typing.
What blood types would produce a b negative child?
There is no single answer to this question. First, how does the child get type AB? The child needs to get an A gene from one parent and a B gene from the other, simple as that. This means neither parent can be type O because they would not be able to pass on the A or B gene (that is what O means, the absense of the A or B gene). If one parent is type A, the other must be B or AB. If one parent is B, the other must be A or AB. Also, both parents can be AB. In all cases, one passes on the A gene and the other passes on the B gene, that's it.Second, for the Rh factor (the positive and negative), the negative trait is recessive. This means the child must receive a negative gene from BOTH parents to display the negative phenotype. So the parents can be ANY Rh type. Why? Because it is a PAIR of genes, the GENOTYPE, that determines the trait. In the parents, they can be genotype +/- or -/+, meaning they have both the positive and negative gene and they can pass on the negative gene, but they will be POSITIVE Rh because that is the dominant trait. Of course, either parent could also be negative, -/- genotype, and they would certainly pass on the negative gene. So, you see, you cannot definitively type the parents in this case.
Can an A-positive parent and a B-positive parent have an O-negative child?
Yes, they can.
Can a parent with a positive and a parent with ab positive have a child with a negative blood?
rarely can be
Can an A negative parent and a A positive parent have a child who is AB negative blood type?
it can be rare only
Can a child have A negative if one parent is A positive and the other is B positive?
no
Can o negative and b positive parent have o positive child?
Yes.
Can a 0 positive and b positive parent have o negative child?
Yes they can.
Can an O positive parent and an O negative parent have a child with O negati ve child?
yes
Can an a positive parent and an O negative parent have an A negative child?
No. If both parents are Rh+, they can only pass on Rh+.
Can an A positive parent and an O positive parent have an A negative child?
No. If both parents are Rh+, they can only pass on Rh+.
Can parents with both negative blood parent a positive child?
absolutely. as long as one of the parents is positive, the child can be positive. and if one parent is A the other B, the child can be A, B, AB or O depending on the parents' other alleles. so the child can definitely be A or B positive, but also A negative, B negative, AB negative, AB positive, O positive or O negative.
Can a parent with O positive and a parent with O negative have any affect on the child?
If the mother has type negative blood, and the father and child have type positive blood, the mother's blood may begin to attack the child's.
Can child be B negative if one parent is o positive and one is b negative?
yes
