Which statement provides the best evidence that there is a common genetic code that demonstrates the unity of life?

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The fact that a gene from a firefly can be inserted into a bacterium to make it glow demonstrates that there is a common genetic code used by all living organisms, regardless of their evolutionary history. The genetic code is a universal language that allows for the transfer of genetic information across different species. This supports the idea of the unity of life, as all living organisms share a common ancestry and use the same genetic code to carry out their essential functions.

Which Statement Provides the Best Evidence That There Is a Common