Is Abo Blood Type Rare
There Are Dozens of Blood Typing Systems, but Most People Are Familiar with the Abo and Rh Systems, Which Provide the Eight Basic Blood Types. Generally...
There are dozens of blood typing systems, but most people are familiar with the ABO and Rh systems, which provide the eight basic blood types. Generally, AB-negative is considered to be the rarest blood type. However, because blood type is linked to genetics, there is no single type considered the rarest worldwide.
What does ABO and Rh mean?
The ABO group and Rh type classify a group of genetically inherited antigens found in the outer membrane of each red blood cell. The ABO group consists of four possibilities: A, B, AB, and O. The Rh type is either positive or negative.
What's the rarest blood type?
In the U.S., the blood type AB, Rh negative is considered the rarest, while O positive is most common.
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