MSH2003_2003_05_12|The chromosomal constitution of cells which deviate from the normal by the addition or subtraction of chromosomes or chromosome pairs. In a normally diploid cell 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).
DEFINITION
NCI|A chromosomal abnormality in which there is an addition or loss of chromosomes within a set (e.g., 23 + 22 or 23 + 24).
Synonym with source data
Aneuploidy|PT|NCI
Preferred_Name
Aneuploidy
Semantic_Type
Cell or Molecular Dysfunction
Synonym
Aneuploidy
Unified Medical Language System Concept Identifier
