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Phylogenetic tree

Biology PhylogenesisPhylogenetics

Phylogenetic tree
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A phylogenetic tree is a tree showing the evolutionary interrelationships among various species or other entities that are believed to have a common ancestor. A phylogenetic tree is a form of a cladogram.

Phylogenetic trees
With such information, one can reconstruct an evolutionary history of the molecule and thus of their respective owners. This requires ...

A phylogenetic tree is the history of life through time. And a cladogram is a branching diagram, usually shown as a kind of a cone-like structure, that shows how the animals are related to each other without reference to time.

A phylogenetic tree of all living things, based on rRNA gene data, showing the separation of the three domains bacteria, archaea, and eukaryotes as described initially by Carl Woese.

A dichotomous phylogenetic tree that branches repeatedly, suggesting a classification of organisms based on the time sequence in which evolutionary branches arise.
class ...

It provides access to thoroughly annotated genomes within a framework of metabolic reconstructions, connected to the sequence data; data on regulatory patterns, protein alignments and phylogenetic trees; ...

Phylogeny & Reconstructing Phylogenetic Trees (David E. Joyce, Clark University) A Java-enhanced site that details the problems of reconstructing phylogenetic trees.

reticulation -- Joining of separate lineages on a phylogenetic tree, generally through hybridization or through lateral gene transfer. Fairly common in certain land plant clades; reticulation is thought to be rare among metazoans.

Statistical support for phylogenies
Does phylogenetic inference find correct trees?
Caveats with determining phylogenetic trees
Part I. A unique, historical phylogenetic tree ...

The evolutionary process whereby one species evolves into another without any splitting of the phylogenetic tree. See cladogenesis.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...

Fitch-Margoliash method: Algorithm for building phylogenetic trees from genetic distance data without the assumption of equal evolutionary rate (see Population Genetics Notes).

clade A taxon or other group consisting of an ancestral species and all of its descendants, forming a distinct branch on a phylogenetic tree.

genome, and thus each copy of the gene could diverge independently. Because paralogous genes can vary within a species as much as between species, such genes are useful tools for studying protein evolution but not for constructing phylogenetic trees.

The graphic representation of a phylogeny is called a phylogenetic tree. Punctuated equilibrium: the belief that evolution proceeds by spurts of change interspersed with long periods of stasis (genetic stability) where selection favors no change.

See also: Organ, Evolution, Species, Life, Origin

Biology PhylogenesisPhylogenetics

 
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