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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/