Synteny
Synteny
Synteny (pronounced: /ˈsɪntɪni/) is a term used in genomics to describe the physical co-localization of genetic loci on the same chromosome within an individual or species.
Etymology
The term "synteny" was first coined in 1971 by geneticist Edward B. Lewis. It is derived from the Greek words "syn", meaning "together", and "tynein", meaning "to stretch".
Definition
In genetics, synteny refers to the conservation of blocks of order within two sets of chromosomes that are being compared with each other. This can be a very important tool when viewing evolutionary relationships between organisms, as well as helping to identify genes and reveal gene functions.
Related Terms
- Genome: The complete set of genes or genetic material present in a cell or organism.
- Chromosome: A thread-like structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
- Locus: A fixed position on a chromosome, like the position of a gene or a marker (genetic marker).
- Genetic linkage: The tendency of DNA sequences that are close together on a chromosome to be inherited together during the meiosis phase of sexual reproduction.
See Also
External links
- Medical encyclopedia article on Synteny
- Wikipedia's article - Synteny
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