What is molecular clock

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1) What is molecular clock and how do you use molecular clock to estimate evolutionary time and constructing phylogenies?

2) How is molecular clock calibrated?

3) Why do you think that often times the gens that are used to make phylogenies are genes that are highly conserved that have a slow mutation rate? Why would it be difficult for genes to move at a very high rate?

Reference no: EM132579419

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