1. At tetrad stage, dyad, triad, tetrad with micronucleus and polyad appeared.
   四分体时期还出现二分体、三分体、含微核的异常四分体及多分体。
2. The chapter 2 focuses on the somatic function of the micronucleus during asexual reproduction and stomatogenesis in ciliated protozoan Pseudokeronopsis monilata.
   第二部分研究了纤毛虫Pseudokeronopsis monilata的形态和形态发生过程，及小核对生长发育的影响。
3. The mutation potential of ethephon was by investigated the micronucleus test of bone marrow polychromatophilic erythroblasts (PCE) cells and sperm shape abnormality test in mice.
   摘要为测定乙烯利对人体健康的影响，采用小鼠骨髓细胞微核试验和小鼠精子畸形试验分别检测了乙烯利对小鼠体细胞和生殖细胞的致突变性。
4. Purpose and Methods: In order to characterize the antimutagenic effect of seaweed polysaccharides(SP), the mouse bone marrow micronucleus test and mouse sperm malformation test were conducted.
   本文选用小鼠骨髓嗜多染红细胞微核试验和小鼠精子畸形试验,对海藻多糖的抗突变作用进行研究。
5. Results The rate of micronucleus and chromosome aberratio n of vicia faba root tip cell in turn were the productive waste water,the tr eated water and the productive w...
   结果诱发蚕豆根尖细胞的微核率和染色体畸变率的大小均依次为未处理的生产废水>已处理水>生产用水。

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