umls-concept:C0032529 | skos:definition | CSP: simultaneous occurrence in the population of genomes showing allelic variations such as different phenotypes or restriction maps.,NCI: A common change in the genetic code in DNA. Polymorphisms can have a harmful effect, a good effect, or no effect. Some polymorphisms have been shown to increase the risk of certain types of cancer.,CHV: a common genetic variation or mutation, the occurrence of different forms, stages, or types in individual organisms or in organisms of the same species.,CHV: a common genetic variation or mutation, the occurrence of different forms, stages, or types in individual organisms or in organisms of the same species.,CHV: a common genetic variation or mutation, the occurrence of different forms, stages, or types in individual organisms or in organisms of the same species.,MSH: The regular and simultaneous occurrence in a single interbreeding population of two or more discontinuous genotypes. The concept includes differences in genotypes ranging in size from a single nucleotide sit | lld:umls |