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
True congenital anodontia is: 
Select and explain. 
A. X linked dominant, B. X linked recessive, C. Autosomal dominant, D. Polygenic
C: Autosomal dominant
Answer: C: Autosomal dominant 
Explanation: Congenital absence of teeth is a hereditary phenomenon passed through generations by an autosomal dominant pattern. Such a patient often presents with poor esthetics, mastication and disturbed social behavior.