Marker gene

Definition

noun, plural: marker genes

(genetics) A gene with known physical location, easily detectable phenotype, and whose pattern of inheritance can be followed.


Supplement

These markers are used to trace or identify specific region of a gene (especially one that is associated with an inherited disease) on a particular chromosome. These markers can be an enzymatic reporter gene, a selectable marker conferring antibiotic resistance or a cell membrane protein with a characteristic epitope.


Also called: genetic marker, DNA marker.
See also: genetic map.


Please contribute to this project, if you have more information about this term feel free to edit this page



This page was last modified on 3 November 2008, at 06:45. This page has been accessed 5,435 times. 
What links here | Related changes | Permanent link