Re: Defining the word "replicator" (was Re: Silent memes)

From: derek gatherer (dgatherer2002@yahoo.co.uk)
Date: Fri 08 Aug 2003 - 08:04:18 GMT

  • Next message: Keith Henson: "Rapid gene shifts was Defining the word "replicator""

     --- Keith Henson <hkhenson@rogers.com> wrote: > At 01:02 AM 06/08/03 -0400, Scott wrote:
    > Genes for
    > accumulating fat were advantageous when food
    > commonly was in short
    > supply part of the year. A change in the
    > environment to constant food
    > availability and these genes become a major
    > liability.

    Why? As long as they don't kill you before the end of your reproductive period, or stop you breeding during it, there is no genetic disadvantage whatsoever. This is also why natural seletion has not removed our susceptibility to cancers occurring in middle age and later.

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