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': 'If both parents are sickle cell anemia patients then the likelyhood of offsprings having the disease is- \nSelect and explain. \nA. 10%, B. 25%, C. 50%, D. 100%', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Sickle cell anemia is autosomal recessive.', 'role': 'assistant'}]