deletion mutation
A mutation in which one or more (sequential) nucleotides is lost from the genome. If the number lost is not divisible by 3 and is in a coding region, the result is a frame-shift mutation.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • deletion mutation — noun (biology) A mutation in which a base or bases are lost from the DNA • • • Main Entry: ↑delete …   Useful english dictionary

  • 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

  • délétion — [ delesjɔ̃ ] n. f. • 1961; angl. deletion « suppression », du lat. deletio ♦ Biol. Perte d un fragment d A. D. N., pouvant aller d une seule paire de bases à un gène ou à un grand fragment de chromosome, constituant une cause de mutation.… …   Encyclopédie Universelle

  • Deletion — auf einem Chromosom. Eine Deletion (engl. delete „löschen“), auch Gendeletion, ist in der Genetik eine Variante der Genmutation bzw. Chromosomenmutation (und damit eine Chromosomenaberration), bei der eine Nukleotidsequenz bzw. ein Teil bis hin… …   Deutsch Wikipedia

  • Mutation Ponctuelle — Une mutation ponctuelle est une mutation affectant un petit nombre de nucléotides de l’ADN dans ou en dehors d’un gène qui n’est pas réparée donc qui est permanente et stable. Il existe trois types de mutations ponctuelles : Mutation par… …   Wikipédia en Français

  • Mutation — For other uses, see Mutation (disambiguation). Part of the Biology series on Evolution …   Wikipedia

  • Deletion mapping — In genetics and especially genetic engineering, deletion mapping is a technique used to ascertain the location of mutation sites within a gene. The principle of deletion mapping involves crossing a strain who has a point mutation in a gene, with… …   Wikipedia

  • Mutation — A permanent change, a structural alteration, in the DNA or RNA. In humans and many other organisms, mutations occur in DNA. However, in retroviruses like HIV, mutations occur in RNA which is the genetic material of retroviruses. In most cases,… …   Medical dictionary

  • Mutation testing — For the biological term, see: Gene mutation analysis. Software Testing portal Mutation testing (or Mutation analysis or Program mutation) is a method of software testing, which involves modifying programs source code or byte code in small ways …   Wikipedia

  • Deletion-18p-Syndrom — De Grouchy Syndrom ist die Bezeichnung für zwei Typen einer chromosomalen Mutation beim Menschen, die auf Verluste (Deletionen) verschiedener Stücke des kurzen (18p ) bzw. langen Arms (18q ) von Chromosom 18 zurückzuführen sind. Es entstehen… …   Deutsch Wikipedia

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