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What role does molecular evidence play in determining how closely two species are related to each other?
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What role does molecular evidence play in determining how closely two species are related to each other?

User Eddy Chan
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Mitochondrial DNA mutation occurs at a constant rate throughout history. Thus, each different base in Mitochondrial DNA is able to show just how long ago the 2 species diverged from each other.
Hope this helps! :)
User Abe Voelker
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