Ancient genetic systems

Scientists discover possible building blocks of ancient genetic systems in Earth's most primitive organisms - Scientists believe that prior to the advent of DNA as Earth's primary genetic material, early forms of life used RNA to encode genetic instructions. What sort of genetic molecules did life rely on before RNA?(10.1371/journal.pone.0049043)

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Posted on November 11, 2012 by . This entry was posted in Slinn Pickings and tagged , , . Bookmark the permalink.

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