Question

Is the following statement true? “Antigenic drift and other mutations to the DNA of viruses are always beneficial for the virus.”(1 point)ResponsesYes, because mutated viruses have less mRNA so they can copy and replicate faster.Yes, because mutated viruses have less mRNA so they can copy and replicate faster.No, because different mutations cause a variety of immune responses.No, because different mutations cause a variety of immune responses.Yes, because mutated viruses are able to infect more hosts.Yes, because mutated viruses are able to infect more hosts.No, because mutated viruses may be less likely to replicate.No, because mutated viruses may be less likely to replicate.

Answer 1

No — because different mutations have different effects. Some changes help the virus evade immunity, but many are neutral or harmful (reducing replication or fitness), and others change how the immune system recognizes the virus.