Each curve in the graph below shows the proportion of amino acid differences between a protein in two species that diverged from a common ancestral species. Which curve represents what would be expected if the protein were evolving according to a molecular clock?

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The Answer of Each curve in the graph below shows the proportion of amino acid differences between a protein in two species that diverged from a common ancestral species. Which curve represents what would be expected if the protein were evolving according to a molecular clock?

Each Curve in the Graph Below Shows the Proportion of Amino