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The result is a hybrid chromosome containing pieces from both members of a chromosome pair, and this hybrid chromosome is passed on to the next generation. 由此产生的杂合染色体含有这对染色体的两个成员的片段,并传递给下一代。
Such split causes the chromosome pairs to be actually quadripartite.. 这种分裂而引起每封染色体实际上分为四部份。
Such split causes the chromosome pairs to be actually quadripartite. 这种分裂而引起每封染色体实际上分为四部分。
Normal chromosome pairing between most species and N . tabacum is rare. 大多数的种与红花间的正常染色配对是少见的。
Normal chromosome pairing between most species and N. tabacum is rare. 大多数的种与红花间的正常染色配对是少见的。
Humans have 22 chromosome pairs plus two sex chromosomes. 除了两个性染色体之外，人体有22对染色体。
I bought a pair of tan leather shoes the other day. 前几天我买了双棕褐色的皮鞋。
It is involved in processes such as homologous chromosome pairing, sister chromatid adhesion and separation, and some of the regulation initiated during anaphase. 在细胞有丝分裂和减数分裂中, 着丝粒作为保证染色体正常分裂并分离到子细胞的结构和功能元件, 参与了同源染色体配对、姐妹染色单体黏合、分离及分裂后期启动的调控等。
All plants overwhelmingly produced PMCs with normal chromosome pairing (20 bivalents) at diakinesis and 20:20 segregations at anaphase I (AI) or anaphase II(AII). 减数分裂时期，大部分终变期细胞的染色体组成为20个二价体(20II)，表明所有的染色体能完成正常的同源染色体配对；
According to morphology, chromosome pairing, and fertility, the genomic constitution and the relationship of three species of Roegneria were investigated, and make sure of. 摘要通过形态学特征比较、种间杂交、染色体组配对和繁育学资料，探讨鹅观草属拟披碱草组纤毛草系中的三个物种毛叶鹅观草、纤毛鹅观草和竖立鹅观草间的亲缘关系。
The chromosome behavior of pollen mother cell (PMCs) in meiosis was investigated in hybrid F1, homeologous chromosome pairing between wheat and rye occurred in 22.9% of PMC. 实验中对杂种F1代植株减数分裂各时期的花粉母细胞染色体行为进行分析，结果发现有22.;91%25的花粉母细胞中黑麦染色体与小麦染色体发生同祖配对。
Don't mix up this pair of synonyms. 别把这两个近义词混淆了。
Among the 25 pachytene cells, two telosomic chromosomes paired each other as bivalents and didn't pair with other normal chromosome 9 as multivalents in 96% cells. 对变异株的减数分裂染色体行为进行分析表明，在所观察的25个细胞中，96%25的细胞增加的两个端着丝粒染色体可配对形成二价体，一般不与正常的第9染色体配对形成多价体。
He wears an oily old pair of jeans. 他穿着一条沾满油污的旧牛仔裤。
This pair of scales is not in equilibrium. 这个天平不平衡。
Heteromorphic chromosome pairs. 异型染色体对
This pair of trousers is too tight for me. 这条裤子我穿太紧了。
She splashed out on a new pair of shoes. 她心血来潮买了一双新鞋。
The newly married couple are really a happy pair. 那对新婚夫妇真是快乐的一对。