This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
[{'content': 'Renal cell carcinoma is related to a gene located on a chromosome- \nSelect and explain. \nA. 3, B. 21, C. 22, D. 20', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., 3 o Clear cell carcinoma is the most common renal cell carcinoma and is associated with 3p deletion.Classification of epithelial neoplasms arising from the kidneyCarcinoma TypeCell of OriginCytogeneticsClear cellProximal tubule3p deletions (3p-), VHL gene mutations, 5q gainsPapillaryProximal tubuleTrisomy of chromosome 7 and 17 (+7,+17) Loss of Y chromosome (-Y)ChromophobeCortical collecting ductHypodiploid / Monosomy Loss of multiple chromosomes 1,2, 6,10,13,17,21, & YOncocyticCortical collecting ductUndeterminedEither karyotypically normal or contain limited number of karyotypic abnormalities including -1, -Y and translocations involving chromosome IICollecting ductMedullary collecting ductUndeterminedLosses of multiple chromosomes 1,6,14,15, & 22", 'role': 'assistant'}]