N1O1N1S1E1C3R1E1T1O1R1
13 points
NONSECRETOR is validvalid
something that is not a secretor
an individual of blood group A, B, or AB who does not secrete the antigens characteristic of these blood groups
something that is not a secretor
an individual of blood group A, B, or AB who does not secrete the antigens characteristic of these blood groups