Molecular Clocks Are Usually Calibrated Based on

question 18

Multiple Choice

Molecular clocks are usually calibrated based on

• A)guesses about the rates of mutations in a particular gene.
• B)observed rates of mutation in a particular gene.
• C)the first shared common ancestor for species known from the fossil record.
• D)comparing the gene to similar genes in other kingdoms.
• E)the date when two species diverged from a common ancestor.

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