This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics, Subject name: Pathology
[{'content': "All the following are Autosomal Dominant EXCEPT \nSelect and explain. \nA. Cronkhite Canada syndrome, B. Bannayan Ruvalcaba Riley syndrome, C. Peutz Jegher's syndrome, D. Gardner's syndrome", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Cronkhite Canada syndrome(Ref: R 9th/pg 140)Cronkhite Canada syndrome is non-inherited condition occurring in old age with features of loss of taste, intestinal polyps, hair loss and nail growth problem.', 'role': 'assistant'}]