This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': 'Double stranded RNA is seen in - \nSelect and explain. \nA. Reovirus, B. Adenovirus, C. Parvovirus, D. Retrovirus', 'role': 'user'}, {'content': "Answer: A \nExplanation: In reoviruses the double stranded RNA is transcribed into mRNA by viral polymerase REF:ANANTHANARAYAN AND PANIKER'S TEXTBOIK OF MICROBIOLOGY 9TH EDITION PAGE NO:433", 'role': 'assistant'}]