What is the least common blood type?
Less than 1% of people in the world have the AB Negative blood type; by comparison38% of people have the most common type, O Positive. An AB blood type presents itself when a child inherits both an A and B antigen from their parents and the two combine.
If their blood doesn’t have the Rh factor, that creates a negative blood type. AB Positive blood is slightly more common than AB Negative because the Rh factor is the dominant gene.
Answer: The correct answer is AB Negative