<prompt> Bence Jones proteins are derived from-Alpha globulinsBeta globulinsGamma globulinsDelta globulins  <response>: About 23rd cases of myeloma excrete Bence Jones light chain proteins in the urine consists of either kappa or lamda light chains along with presence of Bence Jones paraproteins in the serum.Most commonly gamma globulin Ref;Robbins and Cotran Pathologic basis of disease.South Asia Edition volume 1.page no.363 