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Phylogenetics
Relevant fieldsComputational phylogenetics  • Molecular phylogeny  • Cladistics

Basic conceptsSynapomorphy  • Phylogenetic tree  • Phylogenetic network  • Long branch attraction  • Clade

Inference methodsMaximum parsimony  • Maximum likelihood  • Neighbor-joining  • UPGMA  • Bayesian inference  • Least squares

Current topicsPhyloCode  • DNA barcoding

-morphySymplesiomorphy  • Apomorphy  • Plesiomorphy  • Synapomorphy

-phylyMonophyly/Holophyly  • Paraphyly  • Polyphyly

In bioinformatics, neighbor-joining is a bottom-up clustering method used for the construction of phylogenetic trees. Usually used for trees based on DNA or protein sequence data, the algorithm requires knowledge of the distance between each pair of taxa (e.g. species or sequences) in the tree.