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After irradiating the types of SC aberrations, involving breakage, LE breakage, asynapsis, synapsis irregularity and ring, were not radically different in th...

联会复合体的畸变类型,包括断裂、单侧侧生组份断裂、不联会联会紊乱及圆环等,照射后与对照组也无明显差异。

To accomplish this, sister chromatids must segregate together during the first meiotic division , which requires that sister chromatid cohesion persists at centromeres.

实现减数分裂,姐妹染色体必须在第一次分裂联会,这过程姐妹染色体在着丝粒结合。

There were detestably close synapses between homologous chromosomes during thellateprophase and early metaphase in mitosis of somatic cells.

发现在其有丝分裂的晚前期、中期阶段,咯对同源染色体都在进行联会

Thress homologous chromosomes of trisomics associated as a trivalent or a bivalent and a univalent or three univalent during diakinesis and metaphase 1 ;Laggard chromosome and univalent separated in advance at anaphase I ,leading to distribution of 10-1-10,9-12,11-11,10-2-10,10-12,10-10,9-1-11 besides 10-ll;And there was distribution of 11-11-10-10, 10-10-10-12, 10-10-10-11, 10-11-11-11, 11-11-10-9, 10-10-10-10, 9-12-10-10, 9-9-11-11, 11-10-10-9, 12-10-9-11, 11-9-9-13, 10-10-10-9 at anaphase II ;n l microspore frequency were different of four trisomics.

三体在终变期和中期Ⅰ,3个同源染色体联会成三价体,或2个联会成二价体和1个单价体,或3个都为单价体;后期Ⅰ出现落后染色体或单价体提前分离,导致除10-11式分离外,还有10-1-10,9-12,11-11,10-2-10,10-12,10-10,9-1-11等不均衡分离方式;后期Ⅱ有11-11-10-10,10-10-10-12,10-10-10-11,10-11-11-11,11-11-10-9,10-10-10-10,9-12-10-10,9-9-11-11,11-10-10-9,12-10-9-11,11-9-9-13,10-10-10-9等分离方式;4个三体中的n 1小孢子频率不同。

Pairing of homologous chromosomes commences at one or several points on the chromosome and is clearly seen during PACHYTENE of meiosis I.

同源染色体两两成对平行靠拢,这一现象也称联会联会发生在染色体的一点或多点上,可以在减数第一次分裂的粗线期观察到。

In synapsis Red1, Hop1 and Zip1 are the components of synaptonemal complex. Hop2 is required for synapsis.

Red1、Hop1和Zip1是联会复合体的组成成分,而联会也要求其他减数分裂的特异性基因如Hop2的参与。

Complete desynapsis found in rice so far.

以及单位细胞的二价体频率,确定该联会消失变异为完全联会消失变异。

As there were 8.69 bivalents in average occurred to be desynaptic, moreover, the most number of the desynaptic bivalents reached 12 at post diakinsis.

从品种轮回422的群体中发现一不育单株,经细胞学观察证明是发生了联会消失突变,由于该植株的花粉母细胞在减数分裂终变期晚期平均有8.69个二价体发生了联会消失,占二价体总数的72.4%,并且发生联会消失的最多二价体数目为12,根据联会消失的最多二价体数目

YR-cohesion chromosome model will give a better answer to the questions such as exchange,centromere,holocentromere,synaptonemal complex,polytene chromosome,puff,lampbrush chromosome,chromosome banding,non-segregation of sister chromatid,pollentube pathway and biological evolution.

YR-染色体模型能自然、合理地解释所有遗传现象,如交换、着丝粒、全身着丝粒或弥散型着丝粒染色体、同源染色体联会联会复合体的中央区、多线染色体与膨突、灯刷染色体、染色体分带、姊妹染色体由前期到中期不分开、花粉管会导入外源遗传物质、高等生命是怎样从原始生物进化而来的等等。

The failure of homologous chromosomes to pair during meiosis.

联会在减数分裂期间同源染色体不联会成对。

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推荐网络例句

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?