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: Pathology
[{'content': 'What is the inheritance pattern of von willebrand disease? \nSelect and explain. \nA. AR, B. AD, C. XR, D. XD', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Von willebrand disease is inherited as autosomal dominant disorder\nRefer the byte " mendelian Disorder and their Inheritance\xa0 pattern"', 'role': 'assistant'}]