Homologous genes from three different species are compared with the gene sequence of their most recent common ancestor.It is found that at nucleotide position 36 there are identical nucleotide substitutions for all three species.This is evidence for _______ substitutions at this position.

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The Answer of Homologous genes from three different species are compared with the gene sequence of their most recent common ancestor.It is found that at nucleotide position 36 there are identical nucleotide substitutions for all three species.This is evidence for _______ substitutions at this position.

Homologous Genes from Three Different Species Are Compared with the Gene