Source:http://linkedlifedata.com/resource/umls/id/C0042333
MSH: Genotypic differences observed among individuals in a population.,NCI: Genetic Variation consists of deviation(s) in the nucleotide sequence of the genetic material of an individual from that typical of the group to which the individual belongs, or deviation(s) in the nucleotide sequence of the genetic material of offspring from that of its parents.