Looking for classes? Ksquare Career Institute, Bengaluru →
The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because \"O\"" in it refers to having"
A
No antigens A and B on RBCs
B
Other antigens besides A and B on RBCs
C
Overdominance of this type on the genes for A and B types
D
One antibody only – either anti-A or anti-B on the RBCs
Detailed Solution
ABO grouping is based on the presence or absence of two surface antigens, A and B, on the RBCs.
Group A has antigen A, group B has antigen B and group AB has both antigens.
Group O has neither antigen A nor antigen B on its RBCs ('O' stands for nil or zero); its plasma has both anti-A and anti-B antibodies.
Since it lacks both antigens, group O blood can be donated to all groups (universal donor).
Hence 'O' refers to having no antigens A and B on RBCs.
Group A has antigen A, group B has antigen B and group AB has both antigens.
Group O has neither antigen A nor antigen B on its RBCs ('O' stands for nil or zero); its plasma has both anti-A and anti-B antibodies.
Since it lacks both antigens, group O blood can be donated to all groups (universal donor).
Hence 'O' refers to having no antigens A and B on RBCs.