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
Which of the following has strong familial inheritance: 
Select and explain. 
A. Functional class III, B. Class I type I, C. Class II div I, D. Class II div II
D: Class II div II
Answer: D: Class II div II 
Explanation: None