Subclade
Subclade
Subclade (/sʌbkleɪd/) is a term used in phylogenetics to refer to a clade or group of organisms that is a subset of another clade. The term is derived from the Latin sub meaning "under" or "below" and the Greek klados meaning "branch".
A subclade is typically identified by sharing a common ancestor and is defined by a branching point on a phylogenetic tree. The organisms within a subclade are more closely related to each other than to organisms outside the subclade.
Related Terms
- Clade: A group of organisms believed to have evolved from a common ancestor, according to the principles of cladistics.
- Phylogenetics: The study of the evolutionary history and relationships among individuals or groups of organisms.
- Ancestor: An organism from which later species evolve.
- Branching point: A point on a phylogenetic tree where a new lineage diverges from the main stem.
- Phylogenetic tree: A diagram that depicts the lines of evolutionary descent of different species, organisms, or genes from a common ancestor.
See Also
- Monophyletic: A group of organisms that consists of all the descendants of a common ancestor.
- Polyphyletic: A group of organisms derived from more than one common evolutionary ancestor or ancestral group and therefore not suitable to be placed in the same taxon.
- Paraphyletic: A group of organisms that includes an ancestor but not all of its descendants.
External links
- Medical encyclopedia article on Subclade
- Wikipedia's article - Subclade
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