[Fwd: Re: Probabilities on Phylogenetic Trees]

[Curtis Clark]

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.


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Curtis Clark                       http://www.is.csupomona.edu/~jcclark/
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