chromosomal aberration

Online Dictionary of Invertebrate Zoology. . 2005.

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  • chromosomal aberration — noun any change in the normal structure or number of chromosomes; often results in physical or mental abnormalities • Syn: ↑chromosomal anomaly, ↑chrosomal abnormality, ↑chromosonal disorder • Hypernyms: ↑aberrance, ↑aberrancy, ↑aberration, ↑ …   Useful english dictionary

  • chromosomal aberration — Genetics. any irregularity or abnormality of chromosome distribution, number, structure, or arrangement. Cf. deletion, duplication, inversion, translocation. * * * …   Universalium

  • chromosomal aberration — An abnormal change in chromosome structure or number, including deficiency, duplication, inversion, translocation, aneuploidy, polyploidy, or any other change from the normal pattern.. Although it can be a mechanism for enhancing genetic… …   Glossary of Biotechnology

  • penta-X chromosomal aberration — the occurrence of five X chromosomes in a female …   Medical dictionary

  • tetra-X chromosomal aberration — the occurrence of four X chromosomes in a female or tetra XY in the male …   Medical dictionary

  • triple-X chromosomal aberration — the occurrence of three X chromosomes in a female or triple XY in the male …   Medical dictionary

  • chromosomal anomaly — noun any change in the normal structure or number of chromosomes; often results in physical or mental abnormalities • Syn: ↑chromosomal aberration, ↑chrosomal abnormality, ↑chromosonal disorder • Hypernyms: ↑aberrance, ↑aberrancy, ↑aberration, ↑ …   Useful english dictionary

  • chromosomal anomaly — chromosome anomaly see under aberration …   Medical dictionary

  • chromosome aberration — See: chromosomal aberration …   Glossary of Biotechnology

  • inversion — 1. A turning inward, upside down, or in any direction contrary to the existing one. 2. Conversion of a disaccharide or polysaccharide by hydrolysis into a monosaccharide; specifically, the hydrolysis of sucrose to d glucose and d fructose; so… …   Medical dictionary

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