- chromosomal deletion
- Chromosomendeletion f, Verlust m eines Chromosomenabschnitts
Fachwörterbuch Medizin Englisch-Deutsch. 2013.
chromosomal deletion
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Deletion (genetics) — Deletion on a chromosome In genetics, a deletion (also called gene deletion, deficiency, or deletion mutation) (sign: Δ) is a mutation (a genetic aberration) in which a part of a chromosome or a sequence of DNA is missing. Deletion is the loss of … 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 disorder — Syndrome caused by chromosome abnormality. Normally, humans have 23 pairs of chromosomes, including one pair of sex chromosomes. Any variation from this pattern causes abnormalities. A chromosome may be duplicated (trisomy) or absent (monosomy);… … Universalium
Deletion — Loss of a segment of DNA from a chromosome (and hence from the genome). The first human chromosome deletion was detected in 1963 by Jerome Lejeune and his colleagues in Paris. They discovered loss of part of 5p, the short (p) arm of chromosome 5 … 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
deletion — /di lee sheuhn/, n. 1. an act or instance of deleting. 2. the state of being deleted. 3. a deleted word, passage, etc. 4. Genetics. a type of chromosomal aberration in which a segment of the chromosome is removed or lost. [1580 90; < L deletion… … Universalium
chromosomal aberration — Genetics. any irregularity or abnormality of chromosome distribution, number, structure, or arrangement. Cf. deletion, duplication, inversion, translocation. * * * … Universalium
chromosomal mutation — a mutation affecting large regions of a chromosome and caused by breakage, e.g., by deletion, inversion, or translocation. See also genomic m. and point m … Medical dictionary
deletion — de•le•tion [[t]dɪˈli ʃən[/t]] n. 1) an act of deleting 2) something deleted 3) gen a type of chromosomal aberration in which a segment of the chromosome is removed or lost • Etymology: 1580–90; < L … From formal English to slang
chromosomal mutation — noun (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism • Syn: ↑mutation, ↑genetic mutation • Derivationally related forms: ↑mutational (for: ↑mutation), ↑ … Useful english dictionary
