Question

Why mn blood group system is not used to determine blood group?

Answer 1

The MN blood group system is under the control of an autosomal locus found on chromosome 4, with two alleles designated LM and LN. The blood type is due to a glycoprotein present on the surface of red blood cells, which behaves as a native antigen.
The ABO system refers to one set of antigens on red blood cells coded by the ABO gene. ... The Rh blood group system refers to a set of 50 antigens, but Rh factor refers only to the D antigen. If you are Rh positive, you have the D antigen and don't produce the corresponding antibody.


I think the ABO Blood group system is more convenient...