Meiosis - Wikipedia, the free encyclopedia
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In biology, meiosis (pronounced /maɪˈoʊsɨs/ ) is a process of reductional division in which the number of chromosomes per cell is cut in half. In animals, meiosis always results in the formati...
en.wikipedia.org/wiki/Meiosis
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After mitosis, a cell goes into G1 (growth phase) during which it increases in size. ... There is also more non disjunction in oogenesis than in spermatogenesis. Non disjunction occurs most frequently at metaphase of Meiosis I and less frequently at metaphase of Meiosis II. Non disjunction is associated more frequently...
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www.carolguze.com/oldsite/442Cell%20Cycle,%20Mitosis%20...
www.carolguze.com/oldsite/442Cell%20Cycle,%20Mitosis%20and%20Meiosis.htm
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although a seasonal cluster of non-disjunctions may also occur ... ration phase" during which reproduction becomes functionally ...
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www.springerlink.com/index/U566650165724317.pdf
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phase when non-disjunction occurs; in other words, when. B chromosomes separate normally they migrate at the same time that A chromosomes migrate. ...
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www.springerlink.com/index/T256W7232G86748N.pdf
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poles in anaphase disjunction. Inasmuch as two chromatids are attached to ... phase occurs before theusual contraction of the chromosomes has taken ...
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www.pnas.org/content/28/10/433.full.pdf
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DNA damage during mitosis in human cells delays the metaphase/anaphase transition via the ; Curr Biol Nov 06, 2002; ... and hTERT-RPE) cells, this delay occurs during metaphase, ... Isoliquiritigenin induces G2 and M phase arrest by inducing DNA damage and by inhibiting the metaphase/anaphase transition.; Cancer Lett Jan...
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www.cellcycles.org/showabstract.php?pmid=11081626
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Abnormal centrosome number is common in tumours and occurs after -irradiation and in cells with mutations in DNA repair genes. To investigate how DNA damage causes centrosome amplification, we examined cells that conditionally ... Rad51-deficient cells arrested in G2 phase and formed supernumerary functional centrosomes,
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www.nature.com/emboj/journal/v23/n19/full/7600393a.html
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During this phase of mitosis, the DNA-containing chromatin begins to condense into visible chromosomes. ... Sister chromatid disjunction occurs during this phase of mitosis. ... During this phase of mitosis, the centromeres are arranged at the equator of the spindle.
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books.mcgraw-hill.com/cgi-bin/cw/multiple_choice/multip...
books.mcgraw-hill.com/cgi-bin/cw/multiple_choice/multiple_choice_questionsQ2.cgi
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Non-disjunction occurs when chromosomes fail to segregate properly during meiosis. A non-disjunction error may result in aneuploid gametes that are disomic ... For another proband, hybrids were established, but characterization gave inconclusive results: three hybrids indicated chromosomes with the maternal phase intact,
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hmg.oxfordjournals.org/cgi/content/full/9/4/515
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