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The types of blood that are considered most common are O, A, and B. These make up the bulk of all blood types in all areas of the world, regardless if they are positive or negative. On the other hand AB positive and negative populations can comprise as little as half a percent of a regional population.

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How many different types of blood are there?

Under the most common system of blood typing there are thirty different blood types. From this grouping typically there are eight groups considered: O, A, B, and AB positive and negative.


Are AB blood types the most common?

No, the most common blood type is the o blood type. There are nine common blood types in the human body but the most common of all is the o blood type.


Common blood types?

Most common blood type is O positive, followed by A positive.


What are the most common blood types in Ukraine?

The most common blood types in Ukraine are A positive, O positive, and B positive.


What are the two most common blood types in the US?

The two most common blood types in the US are O positive and A positive.


Most common blood types?

The most common blood types are A, B, and O. Type O is the most common, followed by type A, then type B. Type AB is the least common blood type.


How rare are different blood types?

O postive and A positive are the most common blood types. The rarest type is AB negative, followed by B negative. AB positive is also one of the less common blood types.


What are the most common blood types in Spain?

The most common blood type in Spain is A positive. A positive is the most common blood type anywhere in the world.


What are the common European blood types and how do they differ from blood types found in other populations?

Common blood types in Europe are A, B, AB, and O. These blood types are also found in other populations, but the distribution may vary. For example, the O blood type is more common in European populations compared to some other regions. Additionally, the Rh factor, which determines positive or negative blood types, is also present in European populations.


How is human blood types inherited?

most common blood type is inherited by chilld


What blood type is rich or rare?

AB negative is the rarest blood type. AB positive is the second rarest blood type. The negative blood types are more rare than the positive. The common blood type is o.


Which blood types are cosidered rare?

Type O positive blood is the most common type of blood. Having Type O blood means that neither A nor B antigens are found on the surface of red blood cells. Thus Type O blood is considered the universal donor since all blood types can receive a Type O donation. Type O individuals can only receive Type O blood transfusions, but since it is the most common blood type this is not a concern.