#three-taxon_analysis
Three-taxon analysis
Cladistic based method of phylogenetic reconstruction
Three-taxon analysis is a cladistic based method of phylogenetic reconstruction. Introduced by Nelson and Platnick in 1991 to reconstruct organisms' phylogeny, this method can also be applied to biogeographic areas. It attempts to reconstruct complex phylogenetic trees by breaking the problem down into simpler chunks. Rather than try to resolve the relationships of all X taxa at once, it considers taxa 3 at a time. It is relatively easy to generate three-taxon statements (3is); that is, statements of the form "A and B are more closely related to one another than to C". Once each group of three taxa has been considered, the method constructs a tree that is consistent with as many three-item statements as possible.
Sat 12th
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