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Genetic markers (view source)

Revision as of 19:02, June 19, 2009

557 bytes added ,  19:02, June 19, 2009
Created page with 'A '''genetic marker''' is a segment of DNA having an identifiable physical location on a chromosome and an inheritance that can be followed. A marker can be a gene, or it c...'
A '''genetic marker''' is a segment of [[DNA]] having an identifiable physical location on a chromosome and an inheritance that can be followed.

A marker can be a gene, or it can be some section of DNA with no known function.

Because DNA segments that lie near each other on a chromosome tend to be inherited together, markers are often used as indirect ways of tracking the inheritance pattern of a gene that has not yet been identified, but whose approximate location is known.

== Source ==

*[http://www.genome.gov/glossary.cfm]
[[Category:Genetics]]
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