Estimating the Human Mutation Rate: Phylogenetic Method

This is the third in a series of posts on human mutation rates and their implication(s). The first two were ...

What Is a Mutation?
Estimating the Human Mutation Rate: Biochemical Method

There are basically three ways to estimate the mutation rate in the human lineage. I refer to them as the Biochemical Method, the Phylogenetic Method, and the Direct Method¹.

The phylogenetic method relies on a known phylogenetic tree to pick out close relatives and the approximate time to the last common ancestor. In the case of humans, we know that chimpanzees and bonobos are our closest cousins and we think that the homind line diverged from the chimp line about 5 million years ago.

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