Example of heterophile antigen is ?: (A) Forssman antigen, (B) Cryptococcus polysacchoride, (C) Protein A of staphylococcus, (D) All of the above
Answer is A. 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.