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': 'The approximate no of genes contained in human genome \nSelect and explain. \nA. A. 40,000, B. B. 30,000, C. C. 80,000, D. D. 1,00,000', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Humans have a mere 30,000 genes rather than the 100000 predicted only recently . Recent ribbons mention the no of genes 20,000 to 25,000 Ribbons 7th/219', 'role': 'assistant'}]