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单词 Monophyletic groups
释义

Monophyletic groups

英语百科

Monophyly

Phylogenetic tree, the blue (left) and red (right) groups represent monophyletic groups, the green group (centre) being paraphyletic.
Cladogram of the primates, showing a monophyletic group (the simians, in yellow), a paraphyletic group (the prosimians, in blue, including the red patch), and a polyphyletic group (the night-active primates, the lorises and the tarsiers, in red)
Phylogenetic groups: A monophyletic taxon contains a common ancestor and all of its descendants. Diagram: in yellow, the group of

In common cladistic usage, a monophyletic group is a taxon (group of organisms) which forms a clade, meaning that it consists of an ancestral species and all its descendants. The term is synonymous with the uncommon term holophyly. Monophyletic groups are typically characterized by shared derived characteristics (synapomorphies).

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更新时间:2025/6/17 2:43:07