Viruses From Animal and Plants
The reovirus and influenza virus contain

7 different segments of dsRNA and 5different segments of ssRNA respectively
5 different segments of dsRNA and 7 different segments of ssRNA respectively
8 different segments of dsRNA and 10 different segments of ssRNA respectively
10 different segments of dsRNA and 8 different segments of ssRNA respectively

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Viruses From Animal and Plants
Influenza virus undergoes antigenic shift resulting in major antigenic changes by which of the following mechanisms?

Somatic recombination of heavy and light chains
Reassortment of RNA segments from different influenza viruses
Changing the receptor binding canyon that docks with the host receptor
Expression of several different capsule types

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