Which Scenario Presents the Greatest Challenge to the Assumption of a Molecular

question 79

Multiple Choice

Which scenario presents the greatest challenge to the assumption of a molecular clock?

• A) Data from protein sequences can be used to date when different orders of insects diverged from one another.
• B) Genes that have a functional role evolve more slowly than those that are not functional.
• C) Lineages of mammals with short generation times evolve faster than lineages with longer generation times.
• D) Phylogenetic analysis has revealed that the insulin receptor evolved before the protein insulin.
• E) The rate of evolution of an enzyme across lineages of fungi is relatively constant regardless of the divergence time of the splits.

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