I f you can't quite remember what your blood type is -- don't worry. That just means you're among the 33% of Americans who ...

checking your blood type helps prevent complications from Rh incompatibility, which can affect the health of both parent and baby. There are four major blood type groups: A, B, AB, and O. Your blood ...

I was recently at the American Red Cross to donate blood and was given interesting material on the need for Black blood ...

There are four main blood types: O, A, B, and AB, each classified as positive or negative based on the Rh factor. Blood type is usually determined during hospital visits, especially when a ...

it is found on the surface of red blood cells and you are considered to have Rh-positive (Rh+) blood type. If you have no Rh antigen then you are considered to have Rh-negative (Rh-) blood type.

1949. The ABO MN and Rh blood groups of the Basque people. Amer J Phys Anthrop, ns, 7, 529–544. Chown, B, Peterson, R F, Lewis, Marion, and Hall, Ann. 1949. On the ABO gene and Rh chromosome ...