The number of similarities in certain DNA or RNA nucleotide or amino acid sequences may be used as a molecular clock to indicate how much time has passed since the groups branched from a common ancestor.

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The Answer of The number of similarities in certain DNA or RNA nucleotide or amino acid sequences may be used as a molecular clock to indicate how much time has passed since the groups branched from a common ancestor.

The Number of Similarities in Certain DNA or RNA Nucleotide