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Species shared a common ancestor

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Reference no: EM132520745

A certain segment of DNA can be used as a molecular clock. Its rate of mutation is one mutation per 15 million years. Examine the DNA segments from two different species:

Species A: GTTGAGCTAGTATGGACC
Species B: GATAAGCTAGTAAGGTCA

Using this example, explain how this information can be used to determine how long ago these two species shared a common ancestor.

Be sure to answer this question in paragraph form using complete sentences.

Reference no: EM132520745

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