Officially, there are 8 different types of blood but it is close since there are positive and negative versions of blood types A,B,AB, and O. But the least common type would be blood type AB-.
They're are four blood types, which are A, B, O, and AB. Well the most common blood type in humans is blood type O, almost 45 percent of the worlds population is blood type O. The least common blood type in humans is AB.
AB negative...Only 1% of the population has this blood type
The least common blood type is AB negative. Only about 4 percent of people are said to have this blood type.
The least common blood type is AB negative.
ABO blood typing is a method for differentiating individuals' blood based on the presence or absence of two antigens, A and B. The most common blood type in the world is O positive, which has neither the A nor the B antigen.
The most common blood type is O+, which is 40% of humans blood type.
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.
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.
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.
The most common type of white blood cells are called Basophils
AB-
type AB. it's very rare.
ABO blood typing is a method for differentiating individuals' blood based on the presence or absence of two antigens, A and B. The most common blood type in the world is O positive, which has neither the A nor the B antigen.
The least common blood type is type O negative. So she was on the right track. Both are very rare as most are A or AB positive or negative. Hopefully you can clear it up for her
Blood type AB is the most common among humans of all races. A and B blood types are about even for second place and Blood type O comes in third for least common.
No, it's AB-
The most common blood type is O+, which is 40% of humans blood type.
O is actually the LEAST common blood type. It is the type of blood that is basically universal... so you can have type A blood but get an O transfusion and be ok. It is VERY rare to have O blood type. If you do have O blood type, go donate blood now!!
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.
The most common blood type is the o+ blood type.
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.