Multiple Choice
Which of the following hypotheses proposed to explain the evolutionary origin of viruses does not assume the pre-existence of living cells?
A) Viruses evolved from macromolecules.
B) Viruses evolved from plasmids that acquired genes for their own replication.
C) Viruses evolved by losing all the genetic information that is not absolutely required for reproduction.
D) The precursors of cellular DNA genomes may have been RNA molecules.
E) Viruses evolved from chromosomal elements.
Correct Answer:

Verified
Correct Answer:
Verified
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