Quartets

are bifurcating trees on four-taxa subsets that can be combined into on overall tree on the set of all studied taxa. For four specific taxa x,y,z,t, there are 3 different quartets:
corresponding to the 3 possible phylogenetic assumptions.

Quartet-based methods operate in two phases to infer a tree from a molecular or distance dataset:





Last modified: Thu Mar 11 10:51:25 MET DST 1999