Example of heterophile antigen is ?
Forssman antigen
Cryptococcus polysacchoride
Protein A of staphylococcus
All of the above
Ans. is 'a' i.e.,Forssman antigen Heterogenetic (Heterophile) specificitySame or closely related antigens occuring in different biological species, classes and kingdoms are known as heterogenetic or heterophile antigens.