Evolutionary relationships between species

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DNA sequences are used quite often to find evolutionary relationships between species . Why is the DNA sequence of one gene a less accurate indicator of the evolutionary relationship between two species than a comparison of large portions of the two genomes? Discuss. 2.Some genes are more alike between humans and chimp than other genes are from person to person. Does this mean that chimps are humans or that humans with different alleles are different species? What other explanation fit the facts?

Reference no: EM1382994

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