In Order to Estimate the Age of the Split Between

Multiple Choice

In order to estimate the age of the split between the globin gene clusters, scientists did which of the following?

A) Only examined the fossil record
B) Only constructed a molecular clock analysis
C) Examined the ratio of nonsynonymous to synonymous substitution rates
D) Both examined the fossil record and constructed a molecular clock analysis
E) Examined the ratio of functional genes to pseudogenes