Article View: sci.bio
Article #2573Re: Evolution defined as genetic change?
From: A E Ram aut
Date: Mon, 14 Dec 1992 12:40
Date: Mon, 14 Dec 1992 12:40
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1153 bytes
swf@tools3teradata.com (Stan Friesen) writes: >|> Would it not be more correct to define evolution in terms of phenotypic >|> change as it is the phenotype that most mechanisms of evolution (natural >|> selection, sexual selection etc.) act upon. >No, this will not work. For a change to count as evolutionary, it *must* >be inheritable, that is it must be genetic. This is because non-heritable >changes are not propagated, and thus cannot be *accumulated* - which makes >the whole process rather meaningless. Phenotype is by definition inheritable because the phenotype is the physical manifestation of the genotype an inheritable set of alleles. I agree about the Mayr reference though, very good. Andrew.
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Path: arc1-ca.pugleaf.net!sparky!uunet!spool.mu.edu!agate!doc.ic.ac.uk!uknet!edcastle!rambaut From: rambaut@castle.ed.ac.uk (A E Ram aut) Newsgroups: sci.bio Subject: Re: Evolution defined as genetic change? Message-ID: <29517@castle.ed.ac.uk> Date: 14 Dec 92 12:40:20 GMT References: <1992Dec9.064229.6136@news.Hawaii.Edu> <29371@castle.ed.ac.uk> <1606@tdat.teradata.COM> Organization: Edinburgh University Lines: 22