How Can the Rate of Evolution Be Determined Using a Phylogenetic

Multiple Choice

How can the rate of evolution be determined using a phylogenetic tree?
1) Link the branch points of a tree to specific times in the evolutionary history of the sequences
2) Link the common ancestor to a specific evolutionary era in history
3) Link the analogous sequences to specific times in evolutionary history

A) 1
B) 2
C) 3
D) 1 and 2
E) None of these