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Outgroup (cladistics)

Known as: Outgroup 
In cladistics or phylogenetics, an outgroup is a group of organisms that serve as a reference group when determining the evolutionary relationship… 
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Papers overview

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2008
2008
In systematic biology homology hypotheses are typically based on points of similarity and tested using congruence, of which the… 
2008
2008
Abstract Results of analyses of molecular sequence (COI, 28S-D2) and morphology (21 character states) data, both alone and… 
2006
2006
Diatoms have been classified historically as either centric or pennate based on a number of features, cell outline foremost among… 
2004
2004
Phylogenetic relationships among various primate groups were examined based on sequences of ε-globin genes. ε-globin genes were… 
Highly Cited
1997
Highly Cited
1997
A molecular phylogeny of the familyIridaceae based on the plastid generps4 was obtained using both parsimony and distance methods… 
Highly Cited
1994
Highly Cited
1994
ABS?RACr.--DNA sequences spanning 1,042 nucleotide bases of the mitochondrial cytochrome-b gene are reported for all 15 species… 
Highly Cited
1994
Highly Cited
1994
ABSTRACr.-An 888-base-pair segment of the mitochondrial cytochrome-b gene was sequenced for New World barbets, Old World barbets… 
Highly Cited
1990
Highly Cited
1990
Restriction site maps of chloroplast DNA (cpDNA), maternally inherited in Clarkia, were obtained in representative species of all… 
Highly Cited
1986