Phylogenetic
Phylogenetic
Phylogenetic (pronunciation: /ˌfaɪloʊdʒəˈnɛtɪk/) is a term used in the field of biology to describe the evolutionary history and relationships among or within groups of organisms. These relationships are discovered through phylogenetic inference methods that evaluate observed hereditary patterns.
Etymology
The term "Phylogenetic" is derived from the Greek words "Phyle" or "Phylon", which means "tribe" or "race", and "Genetikos", which means "relative to birth". It was first used in the late 19th century in the context of Charles Darwin's theory of evolution.
Related Terms
- Phylogenetic tree: A branching diagram or "tree" showing the inferred evolutionary relationships among various biological species based upon similarities and differences in their physical or genetic characteristics.
- Phylogenomics: The intersection of the fields of evolution and genomics.
- Cladistics: A method of classifying species of organisms into groups called clades, each of which consists of a common ancestor and all its lineal descendants.
- Molecular phylogenetics: The branch of phylogeny that analyses hereditary molecular differences, mainly in DNA sequences, to gain information on an organism's evolutionary relationships.
See Also
External links
- Medical encyclopedia article on Phylogenetic
- Wikipedia's article - Phylogenetic
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