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It depends on the genotype of the Rh+ parent. If that person is heterozygous, then yes there is a 50% chance of an Rh- baby.

Father's Group (negative)

Mother's Group (positive heterozygous)

Rh +Rh -Rh -

Rh +, Rh -Rh -, Rh -Rh -Rh +, Rh -Rh - Rh -

http://www.bloodbook.com/inherited.html

If the positive parent is homozygous, the baby will be positive:

Father's Group (negative)

Mother's Group (positive homozygous)

Rh +Rh +

Rh -

Rh +, Rh -Rh +, Rh -Rh -Rh +, Rh -Rh + Rh -

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What is the most likely blood type of the father if the mother is O positive and two children are A negative?

The father's blood type could be either A positive or A negative. The children inherited the A antigen from the father, resulting in their blood type as A negative. The Rh factor (positive or negative) is inherited separately, so the father could be either positive or negative.


If the mother is A negative and the father is B positive what type of blood can the baby get?

It would all depend on the Dominant and Recessive blood type genes in the mother and father it is near improbable to tell unless you take a blood sample to test the blood type. == A rhesus negative mother and positive father can produce either a rhesus negative or positive child. A type A and type O parental combination will only produce either type A or type O children. So an A- mother and O+ father will normally produce offspring having the possible blood groups of A+ or A- or O+ or O-. See the link for a full explanation.


What are the possible blood types of a father if the offspring is A positive and the mother is O positive?

The first parent would be heterozygous for type A. The second parent would have to be heterozygous for type A, heterozygous for type B, or blood type O. The positive or negative is unable to be determined because positive is dominant so the first parent is positive then the baby will be positive with out a doubt so there is no way to find out the second parent's positive or negative.


If my child has A negative blood and I have o positive her father has ab negative is this possible?

Yes it is possible...


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

Is it possible that mother have ab posotive blood type and the father have o positive what would be the off spring?

With a mother with AB Positive blood type and a father with an O Positive blood type, there are four possibilities for the offspring's blood type. The child of this pairing could have A positive or negative, or B positive or negative type blood.


Can a mother with B positive and a father with ab negative have a child that is O positive?

No. It is impossible, given those blood types, for the offspring to be O positive.


Can a child born rh negative blood type be the offspring of an 0 positive father and o positive mother?

yes, 2 positives can have a negative, but not the other way around. I have a son like that.


Can a mother with A positive blood and father with O positive blood have a baby with A negative blood?

Yes, it is possible for a mother with A positive blood and a father with O positive blood to have a baby with A negative blood. The baby would inherit one A allele from the mother and one O allele from the father, resulting in A negative blood type.


What is the most likely blood type of the father if the mother is O positive and two children are A negative?

The father's blood type could be either A positive or A negative. The children inherited the A antigen from the father, resulting in their blood type as A negative. The Rh factor (positive or negative) is inherited separately, so the father could be either positive or negative.


Can a father with A-negative blood have a child with A-positive blood?

Yes, a father with A negative blood can have a child with A positive blood. If he does, the mother must have a positive Rh factor, and the mother's blood type may be any of the possibilities.


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

B positive or negative or, O positive or negative.


Is it possible for a child to have O negative blood if the mother has A positive blood and the father has A positive blood?

No.


Can a child have o positive blood if the mother has A positive and the father has A negative blood?

yes.


Can a mother with a negative blood and a father with ab negative blood have a child with b positive blood?

yes


Can a woman with O positive blood and a father with AB negative blood have a child with B positive blood?

no


If a Mother is A positive blood group and a Father is A positive blood can they have a child that is A negative blood group?

95% not.