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chromocenter |
Also found in: Medical | 0.04 sec. |
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chromocenter [′krō·mō‚sen·tər] (cell and molecular biology) An irregular, densely staining mass of heterochromatin in the chromosomes, with six armlike extensions of euchromatin, in the salivary glands ofDrosophila. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Moreover, we deliberately consider only one string here to simplify analysis; nevertheless, it is easy to imagine that the depletion attraction drives the formation of nucleoli and chromocenters (as active rDNA genes or centromeric heterochromatin on different chromosomes aggregate), as well as the pairing of meiotic chromosomes (as homologous transcription complexes aggregate (51)). Other nuclei were coarsely granular with small nucleoli or chromocenters. On the cytological level, during interphase, the chromosomes in animals, such as flies, are all joined together in a common heterochromatic region, referred to as the chromocenter. |
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