Re: Dino-fuzz found in amber?

["Dora Smith" <villandra@austin.rr.com>]

Well, in genetic genealogy, I see it all of the time.   I have two personal 
coding region mitochondrial mutations that don't appear to change the 
structure of the resulting protein.   That is actually the most common kind 
of genetic mutation.   ;)

Yours,
Dora Smith

----- Original Message ----- 
From: "Mike Keesey" <keesey@gmail.com>
To: <dinosaur@usc.edu>
Sent: Thursday, September 15, 2011 2:36 PM
Subject: Re: Dino-fuzz found in amber?


> On Thu, Sep 15, 2011 at 12:33 PM, Erik Boehm <erikboehm07@yahoo.com> wrote
> > You cannot get the DNA sequence from the protein sequence.
> > There are 64 possible codons for 20 amino acids.
> > You can generate *a* DNA sequence that would produce that amino acid 
> > sequence, but you cannot generate *the* DNA sequence that produced those 
> > proteins (at least not with any certainty)
>
> Knew that, but...
>
> > Additionally, the "genetic code" mapping 64 codons to 20 amino acids is 
> > not uniform in life - there are variations of it
>
> Didn't know that! Where can we read more about that?
> --
> T. Michael Keesey
> http://tmkeesey.net/