植物の減数分裂期染色体の動態解析―減数第一分裂中期から後期への移行期における相同染色体の分離様式―

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2010年度神奈川大学総合理学研究所共同研究助成論文Meiosis produces four daughter cells containing one set of chromosomes from a single mother cell containing two sets of chromosomes. This reduction of chromosome number occurs during meiosis I. In order to be distributed correctly, homologous chromosomes must pair with each other, be connected until the end of metaphase I, and separate from each other to opposite poles at the start of anaphase I. Regulation of the connection between homologous chromosomes is of great importance for genome stability through generations. We examined the final connecting structure between homologues and found that homologues were connected with each other through chromosome termini, including telomeres, instead of chiasmata.
2011-06-30