This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pediatrics
[{'content': 'IQ related genes have recently been found on which chromosome? \nSelect and explain. \nA. Chromosome 21, B. Chromosome X, C. Chromosome 10, D. Chromosome 18', 'role': 'user'}, {'content': "Answer: B \nExplanation: A genomic distribution analysis demonstrated that IQ-related genes were enriched in seven regions of chromosome 7 and the X chromosome.(Refer: Nelson's Textbook of Pediatrics, SAE, 1st edition)", 'role': 'assistant'}]