homologous chromosomes

Bivalent Describing any pair of homologous chromosomes when they pair up during MEIOSIS.

在减数分裂中配对时的任意一对同源染色体.

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Having the same alleles at gene locus on homologous chromosomes.

(遗传学)在相应的染色体位点上具有同样的等位基因.

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Bivalent& A pair of homologous chromosomes in association, as seen at metaphase of the first meiotic division.

发生联会时的一对同源染色体，见于第一次减数分裂的中期。

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Genetics: a characteristic resulting from the exchange of genetic material between homologous chromosomes during meiosis.

交换特征: 由减数分裂期内同源染色体之间的遗传物质的交换而产生的特征.

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Cross-overs have occured independently of each other between pair of homologous chromosomes.

交换现象独立地在每一对同源染色体之间发生。

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Synaptonemal complex ( SC) which is a meiosis-specific supramolecular proteinaceous structure plays a crucial role in condensation, pairing, recombination and disjunction of homologous chromosomes at meiosis ⅰ.

联会复合体（Synaptonemal Complex，SC）是一种减数分裂特异性超分子蛋白质结构，与减数分裂Ⅰ中同源染色体的凝缩、配对、重组和分离密切相关。

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An organism that has different alleles at a particular gene locus on homologous chromosomes.

杂合体在同源染色体的某一特定基因位点上有不同的等位基因的有机体.

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Recombination plays a crucial role in disjunction of the homologous chromosomes through generating chiasma.

重组过程通过形成交叉对减数分裂期同源染色体的正确分离起到至关重要的作用。

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Prior to the pairing and recombination between homologous chromosomes during meiosis, telomeres attach to the nuclear envelope and form a transient cluster.

真核生物减数分裂过程中，在同源染色体配对、联会及同源重组发生之前，染色体的端粒将附着到核膜上并暂时聚集于一处。

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Alleles of the same gene occupy the equivalent locus on homologous chromosomes.

等位基因位于同源染色体相对应的位点上.

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Non-FISH karyotype analysis is difficult to match accurately homologous chromosomes and often makes mistakes. FISH ( fluorescent in situ hybridization) based karyotype analysis breaks through the bottleneck.

经典核型分析难以准确做到同源配对而往往失于偏颇，基于原位杂交的核型分析突破了这个瓶颈问题。

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Synaptonemal complex ( SC) is a transient structure which happened in eukaryotic nuclei during the first meiotic division when homologous chromosomes are pairing.

联会复合体（Synaptonemal Complex，SC）是真核生物减数分裂前期I同源染色体配对时形成的一种核内临时结构。

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The separation of homologous chromosomes during meiosis.

在减数分裂过程中同源染色体的分离.

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Cross-overs have occurred independently of each other between pair of homologous chromosomes.

交换现象独立地在每一对同源染色体之间发生.

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The interchange of sections between pairing homologous chromosomes during the prophase of meiosis.

在减数分裂初期一对同源染色体之间片段（遗传物质）的互换过程。

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