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18. Viruses, Viroids, & Prions - Part 3 of 3

18. Viruses, Viroids, & Prions / Animal Viruses: Antigenic Drift vs. Antigenic Shift / Problem 2

Which of the following best describes antigenic drift in animal viruses?

A

Major changes in viral genome due to reassortment of genes

B

Minor mutations that occur gradually in the viral genome

C

Exchange of viral genetic material between different species of viruses

D

Complete alteration of viral structure leading to a new strain

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