This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gall Bladder & Bile Ducts, Subject name: Surgery
[{'content': 'Alagile syndrome is characterized by \nSelect and explain. \nA. Bile duct paucity, B. IHBR dilation, C. PBC, D. PSC', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Bile duct paucityRef: Internet sources* Alagille syndrome is an autosomal dominant genetic disorder affecting liver and heart commonly.* Bile duct paucity is the common manifestation which results in Cirrhosis and Liver failure', 'role': 'assistant'}]