A gene family has been accumulating nucleotide substitutions at a rate of 0.15 per million years.On average, there have been 30 substitutions between the common ancestor of this gene family and each of the various living forms of this gene.Based on these numbers, this gene family likely originated _______ million years ago.

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The Answer of A gene family has been accumulating nucleotide substitutions at a rate of 0.15 per million years.On average, there have been 30 substitutions between the common ancestor of this gene family and each of the various living forms of this gene.Based on these numbers, this gene family likely originated _______ million years ago.

A Gene Family Has Been Accumulating Nucleotide Substitutions at a Rate