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The rarest common blood type is AB negative. However, there have been some rare blood types discovered which fall out of the A/B Antigen, Rh +/- system normally used to distinguish blood types. O negative is not the rarest blood type, although it is frequently the most sought-after by blood banks, such as the Red Cross, because it can be given to virtually anyone.

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15y ago

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Related Questions

What is the most common blood type?

The most common blood type is O+, which is 40% of humans blood type.


Is 0 positive blood type common?

O positive is a very common blood type. It is the most common blood type today. There are not many people with O negative. O negative is very rare.


Which blood type is most common a b or o?

Positive A is more common than Positive O. Because Positive O is universal, so it's high in demand than A is.


Commonest blood group?

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Most common blood types?

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What is the most common blood type in humans?

There are actually millions of blood types, but the 8 main types of human blood are as follows:O positiveO negativeA positiveA negativeB positiveB negativeAB positiveAB negativeOf these, the most common blood type is O positive. The most uncommon blood type is AB negative.


What does it mean if you have o positive blood?

If you have O+ blood then you have the most common blood type. About half the world population has that type.


Which is the more common blood type: type O positive or type O negative?

O positive blood is more common among Americans. It is one of the most commonly stored blood types in blood banks today. I am not sure of the numbers but I know that a lot of people say they are O positive.


What is the most ABO blood type in the United States?

Blood type O is the most common in both the US. as well as the world. Actually type O+ is the most common. Type O- is the most common of the RH negative blood types.


Common blood types?

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


The most common blood type there is.?

O+ is the most common blood type. Thus, it is the type needed most often by hospitals for blood transfusions. AB- is the rarest of the "common" blood types, so your friend is mistaken.


What is the most common blood type in the US?

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