anonymous
  • anonymous
A molecule that can be used as a molecular clock has a neutral mutation rate of one mutation per 10 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? Answer 6 million years 10 million years 30 million years 60 million years
Biology
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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blues
  • blues
The question probably wants you to multiply the 10 million * 6 mutations for 60 million years. In real life that is wrong: occasionally the same mutation occurs in the DNA from both the reference species and the target species, so by comparing the two it is impossible to tell that a mutation has happened. Effectively, the time since the species diverged is underestimated. Clear?
anonymous
  • anonymous
yea but still confused on the actual problem a little
anonymous
  • anonymous
60 million years

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anonymous
  • anonymous
how are you guys getting 60 million?
anonymous
  • anonymous
the gene having minimum rate of mutation should be used. is that he want say
anonymous
  • anonymous
10 million * 6 mutations
blues
  • blues
Multiply the number of mutations by the rate at which mutations occur to get the number of years since the species diverged. So 6 times 10 million = 60 million.
anonymous
  • anonymous
Anyone who sees this, 60 Million was wrong.
anonymous
  • anonymous
the answer is 30 million btw

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