Q:
Why is AB negative blood so rare?
A:
Quick Answer
People with AB negative blood type account for 1 percent of the population, according to Oneblood.org. This is very rare due to the genetic components that must come together to create a person with this blood type. A person with AB negative blood possesses both A and B antigens.
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Additionally, people with AB negative blood are considered Rh negative. Children with this blood type must be born to parents who are both Rh negative, which is a recessive gene. Considering that less than 20 percent of the population has Rh negative blood, and even fewer are AB negative, a person with AB negative blood type is rare.
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Related Questions
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Q:
What is the most rare blood type?
A: AB negative is the rarest blood type. On average, about 5 percent of the population is AB negative. There are four major types of blood: A, B, AB and O. Full Answer >Filed Under: -
Q:
How many blood types are there?
A: Humans have four different blood types: A, B, AB and O. Each of these blood types is also labeled positive or negative, depending on whether the red blood ... Full Answer >Filed Under: -
Q:
How rare are the different blood types?
A: Of the eight different common blood types, AB negative is the least common blood type in the United States, according to the American Red Cross. O positive... Full Answer >Filed Under: -
Q:
What are the four different blood types?
A: The four different blood types are A, B, AB and O. People with the A blood type have the A antigen in their red blood cells and the B antibody in their pla... Full Answer >Filed Under:
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