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: Medicine
Which one of the following is an autosomal dominant disorder - 
Select and explain. 
A. Colour - blindess, B. Haemophilia, C. Phenylketonuria, D. Tuberous sclerosis
D: Tuberous sclerosis
Answer: D: Tuberous sclerosis 
Explanation: None