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Outgroup (cladistics)

In cladistics or phylogenetics, an outgroup is a more distantly related group of organisms that serves as a reference group when determining the evolutionary relationships of the ingroup, the set of organisms under study, and is distinct from sociological outgroups. Character states present in the ingroup but absent in the outgroup are (often)…

History, Choice of outgroup & Overview

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Outgroup (cladistics)

Nodes18
Edges17
Triples0
Avg. degree1.89
Density0.111111
Components1

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Important terminology

outgroup ingroup character phylogeny related evolutionary outgroups states used phylogenetics closely phylogenetic relationships rooted clade choice analysis group within evolution

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