Fill in the blank below with the vocabulary word that best completes the sentence.

Using a __________ clock, scientists are able to estimate the amount of time that two species have been evolving independently.



Answer :

Final answer:

Molecular clocks use DNA sequences to estimate evolutionary divergence time between related species.


Explanation:

Molecular clocks use DNA sequences to estimate the time since related species diverged from a common ancestor. By assuming mutations accumulate at a steady rate, species with more differences in their DNA sequences are considered to have diverged longer ago. Comparing DNA sequences can help determine evolutionary relationships between species, such as identifying shared common ancestors.


Learn more about DNA Analysis and Evolutionary Relationships here:

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