Which would be the signature that a human virus was acquired from a single animal source?
A) All human viruses would form a single clade.
B) Human viruses would evolve according to the molecular clock.
C) Human viruses would be found in multiple places in the phylogenetic tree, interspersed with viruses from other animals.
D) Human viruses would be found at the root of the tree.
E) Phylogenetic analysis cannot be used to make inferences about the origins of human viruses.

Question

Quizplus · Accepted Answer

If all human viruses formed a single clade in a phylogenetic tree, it would indicate that they all originated from a common ancestor, suggesting acquisition from a single animal source.

Which Would Be the Signature That a Human Virus Was