Greek alphabet
Genetic Marker
A Genetic Marker (pronunciation: /dʒɪˈnɛtɪk ˈmɑːrkər/) is a gene or DNA sequence with a known location on a chromosome that can be used to identify individuals or species. It can be described as a variation, which may arise due to mutation or alteration in the genomic loci, that can be observed.
Etymology
The term "Genetic Marker" is derived from the English words "Genetic", meaning related to genes or heredity, and "Marker", meaning something used as an indicator or distinguishing feature.
Related Terms
- Allele: One of two or more versions of a gene that are found at the same place on a chromosome.
- 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.
- DNA: Deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
- Gene: A unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring.
- Mutation: The changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations.
- Genome: The complete set of genes or genetic material present in a cell or organism.
See Also
External links
- Medical encyclopedia article on Greek alphabet
- Wikipedia's article - Greek alphabet
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