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The father can have either A, B, or O blood types, but not AB. There are two alleles in the genotype that determine a persons blood type, and A and B are co-dominate with O as recessive. For example, you have 'B' type blood. In order to have that your genotype can either be BB or BO, but because you son is a type 'O', then you have must have BO blood. When the chromosomes in your sex cells split, one got only the 'B' allele, while the other only received the 'O', your son specifically received the 'O'. The same is the case for the father, the specific sperm that fertilized the egg had an 'O' allele from the father. So the father does not have AA BB or AB blood, but he may have AO BO or OO. For reference an example of an allele would be A, or B or O, and example of a genotype would be AA or AO or BB or OO and so on.

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14y ago
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14y ago

B positive

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Q: My child has O positive blood and I have B positive blood what blood type is the father?
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Can an B positive blood type mother and an B positive blood type father parent an A positive child?

No. The child will be type B or O, it cannot be type A.


Father is O positive and Mother is A positive what will child blood type be?

the child blood type will be A the child could be type A or O


If a mother has O negative blood and her child has A positive blood what type of blood should the father have?

The blood would be A+, the child's is always pretty much what the Father's is.


Can a mom with blood type o positive and a father with blood type b positive have an a negative child?

sadly, no. no matter what you do, a blood type B and blood type O couple cannot have a blood type A (+ or -) baby


If mother is o negative and child is o positive what blood group is father?

father could be A positive, B positive, or O positive... i cud be more specific if i knew the his parents blood type

Related questions

Can it be possible for a child to be b positive blood type and the father is o positive?

Yes, even though the father is blood type O he could father an O child, A child, or B child.


Can an O positive blood type father parent a B positive blood type child?

no it can not


If father has blood type B positive and mother has blood type AB positive what would be the blood type of the child?

the child's blood group will be AB-.


If the mother has B positive blood and the father has O positive what would the child's blood type be?

The child's blood type could be B positive or O positive.


Can an B positive blood type mother and an B positive blood type father parent an A positive child?

No. The child will be type B or O, it cannot be type A.


Father is O positive and Mother is A positive what will child blood type be?

the child blood type will be A the child could be type A or O


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.


Can an O positive blood type father parent an A positive blood type child?

Yes, if the mother has type A or AB blood.


If the mother has B positive blood and father has A positive blood what is the blood type of the child?

A or B or AB


Can parents with A negative mother and A positive father blood type have a child with an O positive blood type?

yes.


Can a mother with O positive blood type and a father with B positive blood type have a child with A positive blood type?

only if one of the parents is a chimera


If mother is B positive and father is A positive what will be the blood group of child?

Blood type A/B