According to the progressive hypothesis , viruses may have originated as mobile genetic elements such as:
A) mRNA.
B) alleles.
C) plasmids.
D) enzymes.
E) ribosomes.

Question

Quizplus · Accepted Answer

The progressive hypothesis suggests that viruses may have originated from mobile genetic elements that could move around within the genome, such as plasmids. Plasmids are DNA molecules that are separate from the chromosomal DNA and can replicate independently, fitting the description of mobile genetic elements that could give rise to viruses.

According to the Progressive Hypothesis , Viruses May Have Originated