Biology, 27.07.2019 12:30 alliehall2002

Nucleotide substitutions occur by mistake in a segment of ribosomal rna at a constant rate of one substitution every 10,000 years. a biologist has compared the ribosomal rna of two modern-day species and found that they have six differences in their sequences. how many years ago did these species diverge from a common ancestor?

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