Phylogenetically

Phylogenetically refers to the evolutionary development and diversification of a species or group of organisms, or of a particular feature of an organism. The term is derived from the Greek words "phyle," meaning "tribe" or "race," and "genesis," meaning "origin."

Overview

Phylogenetics is the study of the evolutionary history and relationships among individuals or groups of organisms. These relationships are discovered through phylogenetic inference methods that evaluate observed hereditary patterns. The result of these analyses is a phylogeny (also known as a phylogenetic tree) – a diagrammatic hypothesis about the history of the evolutionary relationships of a group of organisms.

Phylogenetic Trees

A phylogenetic tree or evolutionary tree is a branching diagram or "tree" showing the inferred evolutionary relationships among various biological species or other entities based upon similarities and differences in their physical or genetic characteristics. The taxa joined together in the tree are implied to have descended from a common ancestor.

Phylogenetic Analysis

Phylogenetic analysis is the process of identifying the evolutionary relationships between the species based on their genetic characteristics. The analysis involves the use of various computational algorithms and software to analyze the data and generate the phylogenetic tree.

Phylogenetic Systematics

Phylogenetic systematics, also known as cladistics, is a method of classifying species of organisms into groups called clades, which consist of an ancestor organism and all its descendants. This method is based on the principle that all members of a group share a common evolutionary history and are "closely related," more so to members of the same group than to organisms outside that group.

See Also

• Evolution
• Genetics
• Molecular phylogenetics
• Computational phylogenetics

References

Phylogenetically Resources
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