Phylogenetic network
Phylogenetic Network
A Phylogenetic Network (pronunciation: /ˌfaɪloʊdʒəˈnɛtɪk ˈnɛtwɜːrk/) is a graphical model in biology that is used to represent the evolutionary relationships between different species or other biological entities. It is a more complex version of a phylogenetic tree, allowing for the representation of non-treelike evolutionary events, such as hybridization, horizontal gene transfer, or recombination.
Etymology
The term "Phylogenetic Network" is derived from the Greek words "phyle" (meaning "tribe" or "clan") and "genetikos" (meaning "relative to birth"), and the Latin word "network" (meaning "net"). It refers to the interconnected web of relationships that link different species or organisms based on their evolutionary history.
Related Terms
- Phylogenetics: The study of the evolutionary relationships among species or other biological entities.
- Phylogenetic tree: A tree-like diagram used in phylogenetics to illustrate the evolutionary relationships among species.
- Hybridization: The process of combining two different species or strains to create a hybrid.
- Horizontal gene transfer: The transfer of genetic material from one organism to another that is not its offspring.
- Recombination: The process by which genetic material is physically rearranged within or between chromosomes during sexual reproduction.
See Also
External links
- Medical encyclopedia article on Phylogenetic network
- Wikipedia's article - Phylogenetic network
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