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  • danielhorowitz

    Very cool. But Is RNA a species?

  • http://rafefurst.wordpress.com/ rafefurst

    “species” just means type. There is no good definition and all are flawed (except that Heng says in cellular and multicellular life we should equate species with the entire genome).

    What’s more relevant from this is that these in vitro RNA systems meet the criteria for Darwinian evolution: replication with heredity and selection. Therefore it shows plausibility that life could arise on Earth from scratch.

    BTW, I just noticed an error above, I should have said “exogenous” not “endogenous” (correcting now).

  • Lana Waggoner

    Drat! I really thought I was on to something with the Nth. Bog Lemmings. sigh. I guess the evolution – virus connection might have been too easy with all the studies and such currently being done. Interesting stuff. Thanks.