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Found Marker 2 times.

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1. Marker
An identifiable physical location on a chromosome (e.g., restriction enzyme cutting site , gene ) whose inheritance can be monitored. Markers can be expressed regions of DNA (genes) or some segment of DNA with no known coding function but whose pattern of inheritance can be determined. See RFLP, restriction fragment length polymorphism .

2. Marker assisted selection (MAS)
The use of marker s to follow the inheritance of gene s, particularly those genes which cannot be readily identified. Selection of a marker flanking a gene of interest, allows selection for the presence (or absence) of a gene in a new progeny.

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