Multiple Choice
Negative-sense single-stranded RNA viruses are thought to have arisen many times independently because
A) they have only a few genes.
B) they have diverse capsid morphology.
C) they cause many human diseases including measles,mumps,and rabies.
D) their nucleotide sequences suggest that the different viruses are not closely related.
E) there are no known fossils.
Correct Answer:

Verified
Correct Answer:
Verified
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