O
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.
The most common blood type is O+, which is 40% of humans blood type.
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.
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.
The overwhelming majority of people in America have type O blood. A significant minority have type A blood and a very small percentage of the American public has either type B or AB blood.
The most common blood type among African Americans is O-positive, followed by A-positive. However, it is important to note that blood type distribution can vary among individuals and groups within any population.
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.
Myeloma - or a type of blood cancer. Tends to target African Americans supposedly.
Type B
African Americans fraternal organizations
O-type blood is the most popular because it can cooperate with any other blood type. This has given it the term "the universal donor," and accounts for its being in high demand in hospitals and blood banks.
What rights were given to African-Americans wright/type what YOU think.
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.
Per the American Red Cross, in the U.S. 2% of Caucasians, 1% of African-Americans, 1% of Hispanics and 0.4% of the Asian population has Type B- blood.
Most Americans are Rh positive, with around 85% of the population having this blood type. Rh negative blood type is less common in the United States, with around 15% of Americans possessing it.
What rights were given to African-Americans wright/type what YOU think.
I would say the most uncommon blood types are the negative types. Which include O-, A-, B- and AB-. AB+ is quiet rare too but not as much as the negatives. AB- is currently the most uncommon blood type.