Re: Non-claims




Iain wrote:
> 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'.


Or more to the point, we've observed speciation without *known*
macromutation, Punc' Eq' or no Punc' Eq'.

~Iain

.



Relevant Pages

  • Re: Non-claims
    ... >>Iain wrote: ... >>even Gould flirted with macromutation a bit. ... >>is important in evolution. ... > observed speciation without Punc' Eq'. ...
    (talk.origins)
  • Re: Non-claims
    ... > Iain wrote: ... >>>Many of the folks who like punk eek take this position, ... >>>within species is different in kind from variation between species. ... >>>even Gould flirted with macromutation a bit. ...
    (talk.origins)