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: Dental
[{'content': 'Relative to a heterogenous population, the incidence of malocclusion in a homogenous population generally is: \nSelect and explain. \nA. Lower, B. Slightly higher, C. Significantly higher, D. About the same', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]