Cytogenetic Abnormality

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** An irregularity in the number or structure of chromosomes, usually in the form of a gain (duplication), loss (deletion), exchange (translocation), or alteration in sequence (inversion) of genetic material.

**Synonyms:** - Aberrant Chromosome - Chromosomal Aberration - Chromosomal Abnormalities - Chromosomal Abnormalities - Chromosomal Abnormality - Chromosomal Abnormality - Chromosomal Alterations - Chromosome Aberration - Chromosome Abnormality - Chromosome Abnormality - Chromosome Alterations - Chromosome Anomalies - Cytogenetic Aberration - Cytogenetic Analysis Abnormality Type - Genomic Structural Variation