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> Well, with DNA, on this planet apparently the first version of life able to reproduce at all significantly was based on DNA, and all versions of life since th

> Well, with DNA, on this planet apparently the first version of life able to reproduce at all significantly was based on DNA, and all versions of life since then, including us, have also been based on DNA. Moreover we got here by small modifications of the DNA. Are you sure? I remember that life started as RNA not DNA.

graycat 7y ago
Yes, but my understanding is that RNA life is not very "significant".
marcosdumay 7y ago
They behave alike in a lot of ways, so I imagine they were never really separate.