Four blood sample came for listing (i.e. identification of blood group) a labortary.
The report is given below
SampleAntibody
A
Antibody
B
Sample P
Sample Q
Sample R
Sample S
+
+
+
+
Blood of which sample will be of universal donar?
- A)
Sample Q
- B)
Sample S
- C)
Sample P
- D)
Sample R
Sample R. This is because universal donor is O group which contain neither A antigen nor B antigen thus will not react with antibody A and antibody B.