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: Biochemistry
[{'content': 'Cellular bearings of herediatary disease seen in: \nSelect and explain. \nA. DNA, B. Ribosome, C. RNA, D. Membrane', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. DNAHereditary information is preserved in DNA. Thus all genetic diseases are due to change in DNAQ.', 'role': 'assistant'}]