==See also==*Oligonucleotide synthesis*Abiogenesis*Glycol nucleic acid*Peptide nucleic acid==References====External links==* Was simple TNA the first nucleic acid on Earth to carry a genetic code?, New Scientist (behind paywall)* ORIGIN OF LIFE: A Simpler Nucleic Acid, Leslie Orgel
* Возникновение жизни* Гипотеза РНК-мира* «Was simple TNA the first nucleic acid on Earth to carry a genetic code?», "New Scientist"* ORIGIN OF LIFE: A Simpler Nucleic Acid", Leslie Orgel