Split Rock
Conflation of Blathers
Copying by itself does add genetic information, by any definition of "information" that I've used. Repeated copying combined with substitutions can take any given sequence and produce absolutely any other sequence. With words, it can take a limerick and turn it into a Shakespearean sonnet. If that isn't adding information to you, then you're going to have to explain what you mean by information, and why we should care about it.
You hit it right on the head. If one can take a sequence of say 50 nucleotides and duplicate and alter it into a sequence of 50 million nucleotides and that does not constitute an "increase in information," then the definition of "information" in this context is worthless. Really, for gradyll this whole "adding information" stuff is just a talking point he is repeating.
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