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: Skin
[{'content': 'Melanocytes are present in: \nSelect and explain. \nA. Stratum corneum, B. Stratum basale, C. Stratum granulosum, D. Dermis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Stratum basale', 'role': 'assistant'}]