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: Pathology
Inheritance of Crouzon syndrome is - 
Select and explain. 
A. Autosomal recessive, B. X-linked recessive, C. Mitochondrial, D. Autosomal dominant
D: Autosomal dominant
Answer: D: Autosomal dominant 
Explanation: Crouzon syndrome is an autosomal dominant disorder with complete penetrance and variable expressivity. It is characterized by premature closure of calvarial and cranial base sutures as well as those of the orbit and maxillary complex (craniosynostosis).