chromosomal aberration

Definitions of chromosomal aberration
  1. noun
    any change in the normal structure or number of chromosomes; often results in physical or mental abnormalities
    synonyms: chromosomal anomaly, chromosonal disorder, chrosomal abnormality
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    chromosomal abnormality consisting of the absence of one chromosome from the normal diploid number
    chrosomal abnormality in which there is one more than the normal number of chromosomes in a cell
    sex-linked disorder
    any disease or abnormality that is determined by the sex hormones
    Down syndrome, Down's syndrome, mongolianism, mongolism, trisomy 21
    a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation
    bleeder's disease, haemophilia, hemophilia
    congenital tendency to uncontrolled bleeding; usually affects males and is transmitted from mother to son
    Turner's syndrome
    a chromosomal disorder in females who have only one X chromosome; marked by dwarfism and heart abnormalities and underdeveloped sex organs
    type of:
    aberrance, aberrancy, aberration, deviance
    a state or condition markedly different from the norm
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