This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
Growth factor oncogen is - 
Select and explain. 
A. myc, B. fos, C. sis, D. jun
C: sis
Answer: C: sis 
Explanation: Harshmohan textbook of pathology 7th edition. growth factor oncogene 1. SIS - PDGF beta 2. RAS - TGF alpha 3. HST 1, INT 2- FGF 4.HGF- c MET. MYC proto oncogene produces nuclear transcription factor. .