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
Relative to a heterogenous population, the incidence of malocclusion in a homogenous population generally is: 
Select and explain. 
A. Lower, B. Slightly higher, C. Significantly higher, D. About the same
A: Lower
Answer: A: Lower 
Explanation: None