...染色体形态及类型二、 染色体核型(丹佛体制)三、 染色体显带四、 性染色质 第一节 染色质和染色体(Chromatin and Chromosome) 染色质和染色体是同一种物质, 是在细胞周期中不同时相表现的不同形态。
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如此大量的结构异染色质的来源及其在染色体组型进化和物种形成中的任务仍是一个谜。
The origin of such large amounts of constitutive heterochromatin and their role in karyotype evolution and speciation remain a mystery.
此外,观察了前期I的簇毛麦染色体形态,统计了四分体和小孢子中小麦和簇毛麦染色质微核频率。
Otherwise, the chromosome morphology involving Haynaldia chromatin was observed at preleptotene I, and the frequencies of chromatin nucleus at tetrad stage and at microspore stage were investigated.
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