Lifelines Beyond the Genome: Why Chickens Come Before Eggs


Contrary to the prevailing view that life began on Earth with the emergence of so‐called self‐replicating molecules – DNA and RNA – it can be argued that cells, and mechanisms for generating cellular energy, must have been present before replication in the sense we now understand it could have arisen.

Keywords: cells; membranes; nucleic acids; autopoies; metabolic webs; abiotic synthesis


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Further Reading

Margulis L (1998) The Symbiotic Planet. London: Weidenfeld and Nicolson.

Maturana HR and Varela FJ (1998) The Tree of Knowledge: the Biological Roots of Human Understanding. Boston: Shambhala.

Woolfson A (2000) Life Without Genes. London: HarperCollins.

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Rose, Steven PR(Apr 2001) Lifelines Beyond the Genome: Why Chickens Come Before Eggs. In: eLS. John Wiley & Sons Ltd, Chichester. [doi: 10.1038/npg.els.0003434]