This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Pathology
Bence Jones proteins are derived from- 
Select and explain. 
A. Alpha globulins, B. Beta globulins, C. Gamma globulins, D. Delta globulins
C: Gamma globulins
Answer: C: Gamma globulins 
Explanation: About 2/3rd 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