univalent chromosome

The incidence rates of chromosome aberration cells , autosome univalent and sex chromosome univalent had no significant difference between the hexaflumuron-treated groups and the negative control ( P > 0.05 ) in the chromosome aberration test of primary spermatocyte of mice .

氟铃脲各剂量组的小鼠睾丸初级精母细胞染色体畸变细胞率、常染色体单价体发生率和性染色体单价体发生率与阴性对照组比较，差异无统计学意义（P>0.05）。

Different kinds of abnormal chromosomal behavior occurred at its meiosis of the pollen mother cell of the sterile plant including the synaptic variation , univalent , trivalent , chromosome lagging , chromosome hauling , chromosome bridge , chromosome sticking and unequal distribution , etc.

88-428BY-827雄性不育株小孢子母细胞减数分裂的染色体的行为出现了多种类型的异常现象：联会异常、单价体、三价体、染色体落后、染色体粘连、染色体桥、染色体不均等分离等；