NCI Dictionary of Genetics Terms

The NCI Dictionary of Genetics Terms contains technical definitions for more than 200 terms related to genetics. These definitions were developed by the PDQ® Cancer Genetics Editorial Board to support the evidence-based, peer-reviewed PDQ cancer genetics information summaries.

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admixture mapping
(ad-MIX-cher MA-ping)
A method used to identify genetic variants associated with traits and/or diseases in ethnic groups whose genomes resulted from a recent mixture of two or more geographically distinct ancestral populations.