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
[{'content': "Which of the following is Autosomal Dominant: \nSelect and explain. \nA. Retinoblastoma, B. Ataxia telangiectasia, C. Bloom's syndrome, D. Xeroderma pigmentosa", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer A (Retinoblastoma) : Retinoblastoma presents dominant inheritance with variable penetrance', 'role': 'assistant'}]