Bivalents

常见例句

When synapsis is complete the paired chromosomes are referred to as bivalents.
当联会完成的时候,那配成对的染色体叫做二价体。
The chiasmata can slip off the ends of the bivalents, and thus chiasma frequency may be reduced by terminalization.
有时交叉可以从二价体末端处滑开，因此移端过程可以降低交叉频率。
There were less bivalents at meiotic MI of PMC than expected,and no multivalent had been found.
在小孢子发育过程中，四分体期有多个微核出现，同时发生了高频的多分孢子，形成五分、六分孢子；
Synapsis (pairing) The association of homologous chromosomes during the prophase stage of meiosis that leads to the production of a haploid number of bivalents.
联会（配对）：能产生单倍二价体的减数分裂前期，同源染色体的联合现象。
Abstract:We have developed a technique of random-primed tritium labeled DNA extension on the pachytene bivalents of rice-field eels.
采用随机引物,在黄鳝二价体上建立了氚标记引物原位DNA合成技术,并详细探索了该技术的实验条件。
Zygotene is characterized by the active and specific pairing(synapsis) of homologous chromosomes leading to the formation of a haploid number of bivalents.
偶线期时，以同源染色体活跃的、特定的配对（联会）为特征，形成了单倍数的二价染色体。