Mystery of Ascia

Lee Berman · 25 Jan 2011, 22:56 · from 2011-January.txt.gz

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From: severiansola at hotmail.com (Lee Berman)
Date: Tue, 25 Jan 2011 17:56:29 -0500
Subject: (urth) Mystery of Ascia
Message-ID: <SNT123-W599BB220B3C48EB4610A8FCFFC0 at phx.gbl>

>Entonio: No, they are saying that there may be different alleles which produce a 
>similar phenotype. They are  talking about expressed DNA. It's not a matter of 
>having a couple of  different bases which make no difference on the result. The coded  
>proteins may differ in structure yet not in function. 

I understand what you are saying but it is a different question being addressed.

The Wikipedia quote Gerry cited was: 

"a great deal of genetic variation is hidden in the form of alleles that do not produce 
obvious phenotypic differences."

We are talking about a principle of natural selection and evolution. Natural selection
can only act on phenotype. And if there is no "obvious difference" between two phenotypes
the difference is invisible to natural selection.

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