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O positive is the most common and AB negative is the rarest.

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14y ago

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What blood type is rare when donating blood?

O positive is the most common blood type. O negative is the rarest donor because it is the rarest type of blood and is often referred to as the "universal donor."


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 rarest blood type in the US?

AB- 1%In the UK the ABO type that is most common is O, AB is least common and A is more common than B. However it is more common to be RhD +ve, hence O+ is the most common blood group in the UK, but the order of common blood types will vary depending on where a given person is from.


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.


What blood type is most common?

The most common blood type is o positive in men and women both. The rarest blood type is AB negative . To determine if you have a rare blood type you should be tested by you doctor. Than you will know for sure .


Is a positive blood rare?

No, positive blood types are actually quite common. The most common blood type in the world is O positive.


What is the rarest blood type and is it bad?

The rarest blood type is AB negative, with less than 1% of the population having it. It is not necessarily bad to have this blood type, but it can make finding compatible blood donors in emergency situations more challenging due to its rarity.


What is unusual about type AB blood?

It is the rarest blood type with only 5% of the population have this blood type, it is also the newest blood type. AB - must have both parents that are negative. O is most common blood group (i am o+ and husband is more rare as A-)


What is the rarest type of blood in human beings?

There are 30 human blood group systems that are recognised. In the commonly used ABO and Rh system the blood type AB- is the least common with never more than 1% of the population of a country having this type of blood.


What blood types are the most common and the most rare?

O positive O negative A positive A negative B positive B negative AB positive AB negative The rarest of all these blood types listed is AB negative making up 0.7% of the worlds population.


What is the rarest type of blood?

The rarest type of blood is O. people with O type blood can donate blood to anybody and there are very few people that have this blood type. It is extremely rare.


How common is o positive blood type?

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.