Bivalents

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词义：

adj.【化】二价的；【生】二价染色体的

n.【生】二价染色体

网络二价体；二体

变形

复数：bivalents

用法：

双语例句

1.Diakinesisbivalentsendofsome of the homologouschromosomestogetheronlyattheend.终变期末有些二价体的同源染色体只在末端连在一起。zhidao.baidu.com2.We have developedatechniqueofrandom-primedtritiumlabeledDNAextensionon the pachytene bivalents of rice-fieldeels.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。www.chinagene.cn3.Bivalentsarrangedattheequatorialzone,theformationofequatorialplane.二价体排列于赤道区，形成赤道板。zhidao.baidu.com4.n-bivalentsbecomeaunitofnchromosomes,DNAcontentinhalfthetime.个二价体成为n条单价染色体，此时DNA含量减半。zhidao.baidu.com

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权威例句

Anticorps bivalents bispécifiques

THE MECHANISM OF CO‐ORIENTATION IN BIVALENTS AND MULTIVALENTS

Identification of pachytene bivalents in human male meiosis using G-banding technique

Etude de niobates et tantalates de metaux de transition bivalents

Meiosis in Carriers of Heteromorphic Bivalents: Sex Differences and Implications for Male Fertility

Rec8-containing cohesin maintains bivalents without turnover during the growing phase of mouse oocytes.

The distribution of early recombination nodules on zygotene bivalents from plants

Reductional and equational separation of the chromosomes in bivalents and multivalents

Chromosome pairing in allohexaploid wheat var. Chinese Spring. Transformation of multivalents into bivalents, a mechanism for exclus...

Development of the synaptonemal complex and the "recombination nodules"during meiotic prophase in the seven bivalents of the fungus...

造句：

1. One or two bivalents were not on the equatorial plate.

个别二价体也不排列在赤道板上。

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2. Diakinesis bivalents end of some of the homologous chromosomes together only at the end.

终变期末有些二价体的同源染色体只在末端连在一起。

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3. Frequencies of bivalents in the amphidiploids tended to increase obviously in comparison with the expected chromosome pairing model of the meiosis.

与期望染色体配对模式相比，双二倍体中二价体出现的频率有明显增大的趋势。

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4. Synapsis (pairing) the association of homologous chromosomes during the prophase stage of meiosis that leads to the production 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。

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5. The results indicated that both the number of rod bivalents and the number of pre-division bivalents increased markedly after radiation, while the number of bivalent chiasma tended to decrease.

结果表明，照射后棒状二价体数明显上升，二价体提前分离增多，而二价体的交叉数却呈下降趋势。

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6. The results indicated that both the number of rod bivalents and the number of pre-division bivalents increased markedly after radiation, while the number of bivalent chiasma tended to decrease.

结果表明，照射后棒状二价体数明显上升，二价体提前分离增多，而二价体的交叉数却呈下降趋势。

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