Rarest blood type
- how rare is b+ blood type
- how common is b+ blood type
- how common is b+ blood type in us
- how common is b+ blood type in uk
B positive blood type.
What is the rarest blood type? Here is the least common of the eight blood types
Blood – everyone's got it. In fact, an adult who weighs between 150 and 180 pounds has around 1.2 to 1.5 gallons of blood in their body.
This makes up approximately 10% of an adult’s weight.
Blood type is determined by "the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body," according to American Red Cross.
B negative blood type
There are eight common blood types: A positive, A negative, B positive, B negative, O positive, O negative, AB positive and AB negative. But which is the rarest? Here's what to know.
What is the rarest blood type?
Based on statistics, the rarest blood type is AB negative.
According to the American Red Cross, AB negative blood type occurs in "1% of Caucasian, 0.3% of African American, 0.1% of Asian and 0.2% of Latino American" populations.
There are over 600 other known antigens, and the absence or presence of them creates "rare blood types." Someone's blood type is considered rare if they lack "antigens that 99% of the
- how rare is b negative blood type
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