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Biology 16 Online
OpenStudy (anonymous):

Comparable segments of the mitochondrial DNA sequences of two similar species are shown below. This segment of DNA mutates at a rate of one base pair per 33 million years. Based on these DNA sequences, how long ago did the two species diverge from a common ancestor? Species A mtDNA sequence: TACAAGATAC Species B mtDNA sequence: TACGCGTAAC Answer 33 million years ago 66 million years ago 99 million years ago 132 million years ago This would be 132 million years ago right?

OpenStudy (anonymous):

i think is 132 milions also

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