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Recent advances in understanding some of the molecular aspects of chromosome segregation during mitosis and meiosis provide a background for investigating potential mechanisms of aneuploidy in mammalian germ cells. Numerous protein kinases and phosphatases have important functions during mitosis and meiosis. Alterations in these enzyme activities may upset the normal temporal sequence of biochemical...
Telomeric DNA repeats as well as different specific proteins such as TRF1 and Rap1 associate in functional telomere complexes found at chromosome ends. Using spreading techniques, the presence of TRF1 and Rap1 has been reported at mammalian meiotic telomeres during prophase I. In the present study, we have analysed, by fluorescence in-situ hybridization and immunofluorescence, the appearance and location...
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