Molecular clocks use DNA sequences to estimate time since species diverged, with neutral mutations playing a vital role as a molecular clock.
Molecular clocks are tools that estimate the time since related species diverged from a common ancestor using DNA sequences. The idea is based on the assumption that mutations occur at a steady rate, with more differences indicating a more distant common ancestor. Neutral mutations are crucial in this measure of time because they act as a type of molecular clock, allowing us to estimate how long ago organisms shared a common ancestor based on the number of neutral changes in their genomes.
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