How Did Researchers Ensure That Experiments Testing the Phylogeny Reconstruction

Multiple Choice

How did researchers ensure that experiments testing the phylogeny reconstruction method using bacteriophage T7 matched the levels of homoplasy seen in real data sets?

A) They added mutagens to the phage.
B) They used a molecular clock.
C) They used maximum likelihood methods.
D) They used only monophyletic groups.
E) They subjected the viruses to strong natural selection.