O- blood is the universal donor type because it can be used for anyone. AB+ blood can receive any type of blood, making it the universal recipient. Blood types need to match, or the immune system will ...

A person's 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.

Blood type is usually determined during hospital visits, especially when a transfusion may be needed, such as in surgery or childbirth. [File, Standard] Many of us first learned our blood types during ...

Perhaps, many are conversant with the practical concept of genotype or genotypic compatibility. Either via counseling, class lectures, health awarenesses, personal research etc, anyone would ...

Just like we inherit the color of our eyes and the shape of our nose, we pass on to our children our own blood history. The most common factors, or types, are A, B, O and D. We pass on to a baby both ...