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Pathological Conditions, Signs and Symptoms > Pathologic Processes > Chromosome Aberrations > Aneuploidy
Genetic Phenomena > Genetic Variation > Mutation > Chromosome Aberrations > Aneuploidy
Genetic Phenomena > Ploidies > Aneuploidy

Preferred term

Aneuploidy  

Type

  • Topical Descriptor

Broader concept

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Related concepts

Entry terms

  • Aneuploid
  • Aneuploids

Scope note

  • The chromosomal constitution of cells which deviate from the normal by the addition or subtraction of CHROMOSOMES, chromosome pairs, or chromosome fragments. In a normally diploid cell (DIPLOIDY) the loss of a chromosome pair is termed nullisomy (symbol: 2N-2), the loss of a single chromosome is MONOSOMY (symbol: 2N-1), the addition of a chromosome pair is tetrasomy (symbol: 2N+2), the addition of a single chromosome is TRISOMY (symbol: 2N+1).

History note

  • 68

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URI

http://www.yso.fi/onto/mesh/D000782

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