Are Blood Types Abo?

An individual's blood type depends on which genes they inherited from their parents. ABO is the best-known system for grouping blood types, though there are other methods. There are four major categories within the ABO group: A, B, O, and AB. Within these groups, there are a further eight blood types.

What does ABO mean in blood type?

A system used to group human blood into different types, based on the presence or absence of certain markers on the surface of red blood cells. The four main blood types are A, B, O, and AB.

Is blood type ABO 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, 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.