Which of the following viruses contains double-stranded RNA?
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Reoviridae
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Picornaviruses
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Togaviruses
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Coronaviruses
A
Correct answer
Explanation
Reoviridae is the only virus family listed that contains double-stranded RNA as its genetic material. The name 'Reovirus' actually stands for Respiratory Enteric Orphan virus. Picornaviruses, Togaviruses, and Coronaviruses all contain single-stranded RNA genomes.