ABO and Rhesus Blood Group Distribution in Blood Donors, Blood

Genes and Blood Type blood group ABO blood group system A system used to group human blood into different types, based on the presence or absence of certain markers on the surface of red blood link Rhesus negative must be confirmed with D-antigen typing, weak D group were considered as Rhesus positive blood group All reagents were used according to

blood group The Different Blood Types · Group A has the A · Group B has the B antigen and the A antibody · Group AB has A and B antigens but neither A nor