in reply to convert ambiguous letters in a DNA sequence to all possible non-ambiguous letters
Also see section 4.3.2 "Genomic Sequence Generator" of Dominus's excellent Higher Order Perl available for free download here.
Once (shame on you!)
Twice (shame on me!)
More often than I'd like to be
All the time
Just when answering stupid polls
Who you callin' a fool?
I refuse to vote in this ridiculous poll
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