联会
- 与 联会 相关的网络例句 [注:此内容来源于网络,仅供参考]
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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。
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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。
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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。
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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。
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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。
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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。
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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。
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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
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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、同源染色体联会及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。
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The failure of homologous chromosomes to pair during meiosis.
不联会在减数分裂期间同源染色体不联会成对。
- 推荐网络例句
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She gently rebuff ed him, but agreed that they could be friends
她婉言拒绝了,但同意作为朋友相处。
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If in the penal farm, you were sure to be criticized.
要是在劳改农场,你等着挨绳子吧!
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Several theories about reigniting and extinguishing of the arc have been refered.
本文综合考虑了几种电弧重燃和熄灭理论。