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
The gene that predisposes to retinoblastoma is located at - 
Select and explain. 
A. Chromosome 13q14, B. Chromosome 15q11, C. Chromosome 11p13, D. Chromosome 22q11
A: Chromosome 13q14
Answer: A: Chromosome 13q14 
Explanation: Robbins basic pathology 6th edition. Chapter Neoplasia. page no. 287. The mutations required to produce retinoblastoma involve Rb gene located on chromosome 13q14.