<prompt> The role played by Major Histocompatibility Complex-1 and -2 is toTransduce the signal to T-cells following antigen recognitionMediate immunogenic class switchingPresent antigens for recognition by T-cell antigen receptorsEnhance the secretion of cytokines  <response>: The role played by Major Histocompatibility Complex-1 and -2 is to present antigens for recognition by Tcell antigen receptors.Main function of MHC molecule is to bind peptide fragments of foreign protein for presentation to appropriate antigen-specific T cells. 