Which one of the following is false?!
Question: A. RNA viruses tend to have an unusually high rate of mutation because their RNA genomes cannot be corrected by proofreading.
B. New viral diseases often emerge when a virus infects a new host species.
C. Very few new human diseases have originated in other animals because the genetic differences are too great.
D. Some new viral diseases arise as a result of a mutation of existing viruses.
E. AIDS was around for decades before becoming a widespread epidemic.
Answers: A. RNA viruses tend to have an unusually high rate of mutation because their RNA genomes cannot be corrected by proofreading.
B. New viral diseases often emerge when a virus infects a new host species.
C. Very few new human diseases have originated in other animals because the genetic differences are too great.
D. Some new viral diseases arise as a result of a mutation of existing viruses.
E. AIDS was around for decades before becoming a widespread epidemic.
A.