Answered

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?

60 million years
120 million years
100 million years
30 million years

Answer :

AKEOIIBOOMGO
The correct answer is 30 million years

Answer:

120 Million Years

Explanation:

if it takes 20 million years for one mutation to happen then six mutations would happen over a span of 120 Million Years

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