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': 'Mitochondria gene (True statement): \nSelect and explain. \nA. Paternal transmission, B. Maternal transmission, C. Mendelian inheritance, D. Mitochondrial myopathy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Maternal tranmission', 'role': 'assistant'}]