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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

In genetic testing, a test result that reveals definitively the presence or absence of the germline genetic alteration associated with the hereditary disorder being assessed. In linkage analysis, the ability to distinguish between maternally inherited and paternally inherited DNA markers (polymorphisms) within or near a given gene of interest.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.