Multiple Choice
Refer to the figure. 
This phylogenetic tree is based on
A) amino acid sequences of viral proteins.
B) DNA sequences of the host.
C) DNA sequences of the ancestral virus.
D) DNA sequences of just the viruses at the tips of the tree.
E) DNA sequences of viruses at the nodes of the tree.
Correct Answer:
Verified
Correct Answer:
Verified
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