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Molecular Clock
A technique used to estimate the time of evolutionary changes based on the mutation rates of biomolecules.
DNA
Deoxyribonucleic acid, a molecule that carries the genetic instructions used in growth, development, function, and reproduction of all known living organisms.
RNA
RNA, a vital nucleic acid found in every living cell, functions as a courier, delivering directions from DNA to regulate protein synthesis.
Evolutionary Systematics
An approach to classification that considers both evolutionary relationships and the extent of divergence that has occurred since a group branched from an ancestral group. Compare with cladistics and phenetics.
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