Frequency/distribution of nucleotides/amino acids before selection
Donald R. Forsdyke
forsdyke at post.queensu.ca
Thu Nov 5 18:54:41 EST 1998
Dr.Ram Samudrala wrote:
> (Assuming, for the moment, that the organism's fitness is primarily
> determined by proteins.)
Well, "primarily" perhaps, but without that caveat I would be inclined
not to accept that assumption also.
> But I am referring to cases where the DNA and
> the corresponding transcript (not necessarily the translated product)
> is under no selective pressure in nature.
Sorry, assumption not accepted.
> There's no doubt
> that once it becomes a protein-encoding gene selection is acting on
Yes, selection continues to act, just it did before the region became
Sincerely, Donald Forsdyke
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