[Fwd: Re: Probabilities on Phylogenetic Trees]

Curtis Clark jcclark at CSUPOMONA.EDU
Mon Sep 15 12:11:40 CDT 1997

At 02:15 PM 9/15/97 -0700, Richard Zander wrote:
> A series of cladograms,
>each depending on the one previous to establish a correct outgroup, is a
>house of cards.

An outgroup is not necessary to form a cladogram, only to root it.

Curtis Clark                       http://www.is.csupomona.edu/~jcclark/
Biological Sciences Department                     Voice: (909) 869-4062
California State Polytechnic University, Pomona    FAX:   (909) 869-4396
Pomona CA 91768-4032  USA                          jcclark at csupomona.edu

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