Blood types

By Brandi Erickson

Blood types

Group A- has only A antigen on red cells (and B antibody in the plasma.)


Group B- Has only B antigen on red cells (and A antibody in the plasma.)

Group Ab- Has A and B antigen on red cells ( and has neither A nor B in antibody of the plasma.)

Group O- Has neither A nor B antigen on red cells (and has both A and B antibody in the plasma.)

Blood donors can only give to certain types of blood.

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Blood types and population

O positive blood is the most common blood type. Different types of ethnic groups have different mixes of blood types.


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How are blood types determined?

Blood types are inherited.


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