<prompt> In Burkitts lymphoma , translocation seen is chromosome -12 -14 translocation8 -14 translocation4 - 8 translocation12-18 translocation  <response>: In burkitt;s lymphoma ,demonstration of a very high proliferative fraction the presence of the t8;14 or one of its variants,t2;8 or t8;22 can be confirmatory. Reference :Harrison;s Principles of internal medicine 18 th edition pg no 931 