tips vs nodes
sherb at srv01.lin.irk.ru
Wed Jun 7 19:17:07 EST 2000
I came across a dataset of 18S rRNA sequences of algae, where phylogenetic
analysis suggests the following:
instead of "normal"
A B C D (2)
! ! ! !
+-+-+ ! !
! ! !
due to zero or almost zero lengths of some branches.
Since the case (1) may be describe realistic evolutionary events, the
Is it possible to built a test distinguishing between (1) and (2)?
Did anybody meet and not discard stuation like that?
Thank you in advance
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