Molecular phylogenetics
Molecular Phylogenetics
Molecular Phylogenetics (pronunciation: mo-le-cu-lar phy-lo-gen-e-tics) is a branch of Phylogenetics that uses molecular sequencing data to infer evolutionary relationships among individuals or species.
Etymology
The term "Molecular Phylogenetics" is derived from the Greek words "molekula" meaning 'mass' or 'body', "phylon" meaning 'race' or 'tribe', and "genetikos" meaning 'relative to birth'.
Definition
Molecular Phylogenetics involves the use of molecular genetic sequences to study the evolutionary relationships among species or individuals. It uses the principles of Bioinformatics and Computational Biology to analyze the genetic material of different organisms and infer their evolutionary history and relationships.
Related Terms
- Phylogenetic Tree: A diagram that represents the evolutionary relationships among various species or other entities that are believed to have a common ancestor.
- Cladistics: A method of classification of animals and plants according to the proportion of measurable characteristics that they have in common.
- Molecular Evolution: The process of change in the sequence composition of cellular molecules such as DNA, RNA, and proteins across generations.
- Genetic Drift: The variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce.
See Also
External links
- Medical encyclopedia article on Molecular phylogenetics
- Wikipedia's article - Molecular phylogenetics
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