Re: Non-claims


John Harshman wrote:
> Iain wrote:
>
> > John Harshman wrote:
> >
> >>Iain wrote:
> >>
> >>
> >>>Maybe these ought to be catalogued and numbered?
> >>>I've responded to corrections and criticism with the following
> >>>refinements. The original was a bit sloppy and ambiguous.
> >>>
> >>>
> >>>Evolutionary theory does notclaim:
> >>>
> >>>
> >>>That mutation more unlikely than ordinary variation is important.
> >>
> >>Some evolutionary theorists claim this.
> >
> >
> > Sorry, forgot about this one.
> >
> > Who did you have in mind?
>
> Many of the folks who like punk eek take this position, that variation
> within species is different in kind from variation between species. If
> you want to get more drastic, there are Goldschmidt and Schindewolf, and
> even Gould flirted with macromutation a bit. It's enjoyed a bit of a
> comeback with some of the evo-devo folks, who think that homeotic
> mutations can work a major change in phenotype instantly, and that this
> is important in evolution. I don't think there's much to it myself, but
> it's not an extinct view by any means.


It took me half an hour to work out you meant Punctuated Equilibria.
Now who's being unclear :-P

Anyway, surely it would be unreasonable to suggest that macromutation
is necessary for speciation, given that we are supposed to have
observed speciation without Punc' Eq'.

~Iain

.

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