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.

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。

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Objective: This study is designed to find an effective method of observing the morphology of meiotic spindle and chromosome in mature oocytes, taking the mouse as a model.

前言：目的以小鼠为研究模型，探索观察成熟卵母细胞纺缍体和染色体的方法。

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The chromosome number, morphology and G-banded pattern all are similar to the domestic pigs reported previously;

染色体数目、形态和G-带带型均与过去报道的家猪相同；

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