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With genetic mutations during replication, anything is possible.

But, in general two O negative parents could only have a child that is O negative. Conversely, two O positive parents could have a child that is either O negative or O positive.

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Can a positive parents have o negative child?

No, it can't happen. if one of the parents or both are +, the child will be Positive. I don't know if 2 negatives can have a positive. But i do know that if one of the parents is positive and the other is negative, you can have a either a positive or negative child. (I have twins, one is negative and the other is positive.)


Can a parent with type a positive and a parent with type b positive have a child with o positive blood?

Depending on their genotype this can be possible. A, B and O refer to the so-called phenotype, which means the actual testable result of genetic information. The genotype on the other hand refers to the actual genetic information of an individual. There are basically three genes that code the AB0 system, a gene for A, a gene for B and a gene for 0 (actually there are subtypes, but this is not important here). Everyone has two genes, one on each chromosome of a pair of chromosomes. One gene is inherited form the mother, the other one from the father. This combination is called genotype. Depending on the combination of genes the four phenotypes are formed. The genotypes are AA and A0 for phenotype A, BB and B0 for phenotype B, AB for phenotype AB and 00 for phenotype 0. Now to answer the question precisely one would have to know the genotypes of the parents. For example if the parents are genotypes A0 and B0 then the children could have any of the four blood types. The answer would be "yes", as it is possible for the child to to inherit the gene (better a gene) for the positive rhesus factor if both parents have it. If on the other hand the parents have the genotypes A0/BB, AA/B0 or AA/BB then it is impossible for them to have a child with blood type 0 as no combination would produce the genotype 00 necessary for the phenotype 0. Conclusion: It it can be possible. So a child with blood type 0 positive can come from a couple with blood types A positive and B positive. But not all couples with this constellation of blood types will be able to have a child with blood type 0.


What the mother is 0- and the father 0 can they have a bloodtype offspring?

If both parents are type O, they will always produce type O offspring.


Can a mother of 0 negative blood type and a father of A negative blood type have a child with AB blood type?

No they cannot. They can only have a child with type A or type O blood.


Can a mother of AB blood and a father that is O blood have a child with 0?

Yes, it is possible for a mother with AB blood and a father with O blood to have a child with O blood type. This is because the parents can each pass on an O allele, resulting in a child with O blood type.

Related Questions

Can a child be 0 negative if the mother is 0 positive and father A positive?

Yes, the child of these parents could have either blood type O+, O-, A+, or A-.


What is the chance of both parents 0 positive having three children O positive and one A positive?

Assuming both parents are O positive (OO), they can only pass on the O allele. However, since one child is A positive, it means that one parent has the A allele (AO). This scenario is not possible with two O positive parents genetically. Therefore, the chance of both O positive parents having three O positive children and one A positive child is not genetically feasible.


If both parents have 0 positive blood types could child have type A?

No.


Can a child be A positive if father is A negative and mother 0 positive?

Yes, the child of these parents could have either blood type O+, O-, A+, or A-.


Can an 0 positive father have an 0 negative child?

Yes, we all get our blood groups from either our parents and even grandparents.


Can parents having same blood group 0 positive give birth to a child with blood group 0 negative?

Yes, parents with blood group O positive can have a child with blood group O negative. This is possible if one parent is heterozygous for the Rh factor (one parent has both positive and negative Rh alleles), allowing for the possibility of the child inheriting the negative Rh factor.


Can a 0 positive and b positive parent have o negative child?

Yes they can.


Can a B positive mother and a 0 negative father have an AB negative baby?

yes, like if both parents are blond, child may have black hair


Can parents with B-positive blood have an A-positive offspring?

No, they can't. But they can have kids with type 0.


Can an o positive mother and an a positive father produce an 0 negative child?

Yes


Is it safe to have a child if both parents are 0 negative?

Can parents with both negative blood have a child and how much of a chance for that child having a dissabillity


Can an A positive blood type Man and a B positive blood type Female have an 0 positive child?

Yes, it is possible for an A positive blood type man and a B positive blood type woman to have an O positive child. The child would inherit one A allele from the father and one B allele from the mother, resulting in the child having an O blood type.