1、

Results : The configurations of meiotic spindle chromosome can be observed clearly by LSCM.

结果应用LSCM清晰地观察到了卵母细胞纺缍体和染色体的形态.

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2、

The normal rates of meiotic spindle and chromosome were 82 % and 86 % respectively.

发现小鼠成熟卵母细胞纺缍体和染色体的正常率分别为82%和86%.

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3、

At pachytene stage the X and Y chromosome display an extensive side-by-side pairing segment with decreasing length as meiotic prophase progressed.

此外,X、Y染色体间出现扩大配对,其长度随减数分裂的进行而降低。

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4、

EGF may be involved in spermatogenesis by stimulating the meiotic phase, and play a role in male sexual differentiation induced by androgen.

EGF参与精子发生,其作用点主要在减数分裂过程;可影响性分化,在雄激素诱导下使胚胎向雄性方向发育。

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5、

Hypodermal archesporium is 2 or 3 cells; a single cell well developed into megaspore mother cell. Undergoes meiotic divisions, produces a linear tetrad.

大孢子孢原细胞2~3个,其中1个发育为大孢子母细胞,大孢子母细胞减数分裂形成直线四分体,合点端的大孢子为功能大孢子,珠孔端3个大孢子退化。

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6、

Since crossing over can occur during the first meiotic division, it does allow for some genetic variation in the offspring.

在第一次减数分裂的过程中可以发生交换现象,因而在后代中有遗传变化。

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