What is the rarest blood type?

Answer AB Negative is the rarest blood type

Top Q&A For: What is the rarest blood type

If mother is O blood type and father is A blood type - what blood type will the baby have?

Let's go to genotypes... If it's AA X OO= AO, AO, AO, AO --> 100% Blood type A (AO) If it's AO X OO= AO, AO, OO, OO --> 50% Blood type A (AO), 50% Blood type of O (OO)

If a mother is O blood type and a father is O blood type what type will baby be?

If the father is o and the mother blood type o what is the baby blood type?

I have O positive blood type. My older sister has O negative blood type. Is this possible?

Yes. The way blood type works is you inherit it from your parents. Your mother and father can have different blood types and they each give you one of their alleles. Odds are, both your parents ... Read More »