What are the different types of blood antigens and antibodies groups?

Answer»

Blood group	Antigen (on the surface of R.B.Cs)	Antibody (in plasma)	Alleles
A	A	anti B	I^A I^A , I^A i
B	B	anti A	I^B I^B, I^B i
AB	A and B	None	I^A I^B
O	None	anti A and anti B	i i

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