Question 11

(Multiple Choice)

What is the premise of the progressive hypothesis of viral origin?


A)Viruses evolved from symbionts of cells.
B)Viruses evolved from self-replicating nucleic acid segments.
C)Viruses originated from cells that lost the ability to replicate.
D)Viruses were present when the first primordial cells evolved.
E)Viruses arose from fragmented DNA in a cell.

Answer