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9 September, 12:48

A molecule that can be used as a molecular clock has a neutral mutation rate of one mutation per 20 million years. How many years ago did two species share a common ancestor if the molecules found in these two species differ by a total of six mutations?

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  1. 9 September, 13:23
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    6*20 = 120

    120/2 = 60 million years
  2. 9 September, 16:08
    0
    The answers would be 120 million years 20 million times 6 million equals 120 million years
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