Polymorphism (definition)

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ψ	Polymorphism, Genetic

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Definition: 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 site (POLYMORPHISM, SINGLE NUCLEOTIDE) to large nucleotide sequences visible at a chromosomal level.

DF: POLYMORPHISM
Examples Genomic Structural Variation; Polymorphism, Restriction Fragment Length; Polymorphism, Single Nucleotide; Polymorphism, Single-Stranded Conformational

Other names Polymorphism (Genetics); Genetic Polymorphism; Polymorphisms, Genetic; Genetic Polymorphisms

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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Polymorphism, Genetic