[Taxacom] base alignment
kmagnacca at alumni.wesleyan.edu
Tue Aug 29 11:19:47 CDT 2006
On 29 Aug 2006 at 9:28, John Grehan wrote:
> > But for
> > everybody I know "phenetic" means classifying on the basis of overall
> > similarity of taxa, not selecting compatible characters.
> I agree with this definition. And according to that definition cladistic
> analysis of molecular characters appears to be an analysis of characters
> established through overall similarity of base substitutions and gaps.
How ya figure?
All the molecular cladists I know (myself included) would be very
surprised to hear that they have been doing phenetics all these years.
I guess they wasted all that time aligning sequences in order to
establish homologies. I think Dave Swofford would also be interested to
hear that parsimony becomes phenetic when run on a molecular matrix.
UC-Berkeley, ESPM Dept.
137 Mulford Hall #3114
Berkeley, CA 94720
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