Actually, yes. The father may be heterogeneous type B - that is, he has a recessive gene for type O along with his dominant gene for type B - and both parents may be heterogeneous for the Rh trait, where being Rh positive is dominant. Since the mother is homogeneous for the O type, there's a 50% chance that she will produce a child with type O blood when her partner also carries one O gene. Assuming both parents are heterogeneous for the Rh trait, each child they produce has a 25% chance of being Rh negative. Since half those Rh negative children would have blood type B, this means that about 12.5% of the time these particular parents would produce a child with O- 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.
No.
It depends. If the mother of the child is A positive as well, the child will be A positive. This is also true if the mother is a type O. It wont be possible if the mother is B positive, since the child will be AB positive (the blood types are codominant).
yes.
If the father is O and the mother is A, the child can end up either A or O.If the father is O and the mother is AB, the child can end up either A or B.
no, it's impossible.
A or B or AB
95% not.
Blood type A/B
No, because a baby gets their blood from their father, not their mother.
A+
a-