Source:http://linkedlifedata.com/resource/umls/id/C0017393
MSH: A phenotypically recognizable genetic trait which can be used to identify a genetic locus, a linkage group, or a recombination event.,NCI: Alteration in DNA that may indicate an increased risk of developing a specific disease or disorder.,NCI: A segment of DNA with an identifiable physical location on a chromosome and whose inheritance can be followed.