它与同源染色体联会、遗传交换、染色体分离密切相关。
The structure is closely related with homologous chromosomes synapsis, recombination and segregation.
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。
Synapsis (pairing) the association of homologous chromosomes during the prophase stage of meiosis that leads to the production of a haploid number of bivalents.
黄颡鱼初级精母细胞的前期出现联会复合体，应是同源染色体之间进行同源基因交换的标志。
The prophase of primary spermatocyte would appear synaptonemal complex, which should been the symbol that the homologous chromosome carried through the change of homologous gene.
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