16 Worked example 9 — why does RNA virus mutate more?
A single-stranded RNA genome has no complementary strand to use as a template, so damaged or miscopied bases remain; hence the virus changes quickly (this is why flu vaccines have to be updated).
A single-stranded RNA genome has no complementary strand to use as a template, so damaged or miscopied bases remain; hence the virus changes quickly (this is why flu vaccines have to be updated).
4 questions linked to this point only, 4 of them with pictures.