chromosomal inversion


chromosomal inversion
Reversal of the linear order of the genes in a segment of a chromosome.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • Chromosomal inversion — A clay model showing why heterozygous inversion loops are visible in polytene chromosome preparations …   Wikipedia

  • Chromosomal translocation — of the 4th and 20th chromosome. In genetics, a chromosome translocation is a chromosome abnormality caused by rearrangement of parts between nonhomologous chromosomes. A gene fusion may be created when the translocation joins two otherwise… …   Wikipedia

  • Chromosomal polymorphism — In genetics, chromosomal polymorphism is a condition where one species contains members with varying chromosome counts or shapes. Polymorphism is a general concept in biology where more than one version of a trait is present in a population. In… …   Wikipedia

  • Inversion operator — In the mathematics, inversion operator can refer to: * the operator which assigns the inverse element to an element of a group * Inversion in a point * Chromosomal inversion, reordering of genes in a DNA sequence …   Wikipedia

  • inversion — /in verr zheuhn, sheuhn/, n. 1. an act or instance of inverting. 2. the state of being inverted. 3. anything that is inverted. 4. Rhet. reversal of the usual or natural order of words; anastrophe. 5. Gram. any change from a basic word order or… …   Universalium

  • 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

  • Chromosomal crossover — Thomas Hunt Morgan s illustration of crossing over (1916) A double cros …   Wikipedia

  • 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

  • inversion — noun Date: 1586 1. a reversal of position, order, form, or relationship: as a. (1) a change in normal word order; especially the placement of a verb before its subject (2) the process or result of changing or reversing the relative positions of… …   New Collegiate Dictionary

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


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