The insulin used to treat people with diabetes is commonly produced by intserting the DNA sequence for human insulin into a bacterium. The insulin the bacterium produces using that sequence is then harvest. In fact DNA sequence from virtually any living organisms could be inserted into a bacterium and the bacterium would be able to use the sequence to make the same proteins that the original organism did. In what way does this provide evidence for evolution

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Biology

Shyann Thornton

Yesterday, 21:47

The insulin used to treat people with diabetes is commonly produced by intserting the DNA sequence for human insulin into a bacterium. The insulin the bacterium produces using that sequence is then harvest. In fact DNA sequence from virtually any living organisms could be inserted into a bacterium and the bacterium would be able to use the sequence to make the same proteins that the original organism did. In what way does this provide evidence for evolution

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Toby Davila · Answer 1

This example proves that the genetic code is the same across species, meaning that they must inherited it from a common ancestor.

The genetic code (set of rules for the translation of genetic material into product-protein) is universal, it means that the same codon (triplet of nucleotides) code for same amino acid in all organisms. Because of this property, it is possible for bacteria to translate the gene for insulin and produce it.