- Nondisjunction
- Non|dis|junc|tion,auch Non-Dis|junc|tion [nɔndis'dʒʌŋkʃən] die; -<zu engl. non- »nicht-« u. disjunction »Trennung«>unregelmäßiger Teilungsprozess von ↑Chromosomen bei der Reifeteilung (Biol.)
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Nondisjunction
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Nondisjunction — ( not coming apart ) is the failure of chromosome pairs to separate properly during meiosis stage 1 or stage 2. This could arise from a failure of homologous chromosomes to separate in meiosis I, or the failure of sister chromatids to separate… … Wikipedia
Nondisjunction — Nondisjunction, Ausbleiben der Trennung von Schwesterchromatiden eines Chromosoms in der Mitose (mitotische Disjunction) oder von homologen Chromatiden in der Meiose (meiotische Disjunction); führt zu ⇒ Aneuploidie … Deutsch wörterbuch der biologie
nondisjunction — [nän΄dis juŋk′shən] n. Biol. the failure of paired chromosomes to pass to separate cells in meiosis … English World dictionary
Nondisjunction — Failure of paired chromosomes to disjoin (separate) during cell division so that both chromosomes go to one daughter cell and none to the other. Nondisjunction causes errors in chromosome number such as trisomy 21 (Down s syndrome) and monosomy X … Medical dictionary
nondisjunction — noun Etymology: International Scientific Vocabulary Date: 1913 failure of homologous chromosomes or sister chromatids to separate subsequent to metaphase in meiosis or mitosis so that one daughter cell has both and the other neither of the… … New Collegiate Dictionary
nondisjunction — n. [L. non, not; disjunctus, unyolked] The failure to separate of paired chromosomes during meiosis … Dictionary of invertebrate zoology
nondisjunction — /non dis jungk sheuhn/, n. Biol. the failure of chromosomes to separate and segregate into daughter cells at division. [1910 15; NON + DISJUNCTION] * * * … Universalium
nondisjunction — noun The failure of chromosome pairs to separate properly during meiosis See Also: disjunction, nondisjunct, nondisjunctive … Wiktionary
nondisjunction — n. nonseparation of paired chromosomes during cell division (Biology) … English contemporary dictionary
nondisjunction — non·disjunction … English syllables
