Question 20 (1 point) Which of the following is FALSE about reassortment in infl

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Question 20 (1 point) Which of the following is FALSE about reassortment in influenza viruses? O multiple reassortment events over time eventually gave rise to the pandemic 2009 H1N1 innuenza virus O reassortment can be a cause ofthe evolution ofnew strains O vaccine makers exploit reassortment to produce Tve attenuated vaccines assortment combines genetic material from two different viruses into one v O reassortment can happen in hosts cen even if the host is only infected by a single strain Save Page 20 of 32 Previous Page Next Page

Explanation / Answer

20. Answer:

The false statement about reassortment is that it can happen in host cell even if the host is only infected by a single strain.

If a single host is infected by two different strains of the influenza virus, they swap gene segments. the genetic transfer is possible due to the segmented nature viral genome and occurs only in the case of co-infection.

19. Answer:

The genomes of both viruses and humans encode proteins.

The genetic material of viruses can be DNA or RNA, single or double stranded, circular or linear. Humans, in turn possess only double stranded DNA as their genetic material. RNA viruses undergo reverse transcription. Viral. genomes are usually wrapped up inside protein coats and a host derived membrane.

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