DavidPlumpton comments on What is life? - Less Wrong

9 Post author: Douglas_Reay 01 April 2012 09:12PM

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Comment author: DavidPlumpton 03 April 2012 09:52:45AM 0 points [-]

It seems to me that both a genotype and phenotype is needed to qualify for labelling something as alive. It's difficult to see how any form of natural selection could operate on inheritance and variation without a genotype. So that would rule out crystals and so forth.