This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Growth factor oncogene is \nSelect and explain. \nA. MYC, B. Fos, C. Sis, D. Jun', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ref Robbins 7/e p182 A number of nuclear transcription factors are the products of oncogene like my,fos, jun myb and rel. Out of these myc is most commonly involved in tumors .SIS oncogene in the only example of a growth factor oncogene in the given options .it's over expression is seen in cancers like astrocytoma and osteosary The other growth factor are described in text", 'role': 'assistant'}]