This means that homologous chromosomes failed to pair together during meiosis and chromosomes formed fewer crossovers, i. e. sites where they recombine, during the initial stages of meiosis.
这意味着减数分裂中同源染色体不能配对，染色体间形成的交叉也会更少（例如，在减数分裂早期的重组位点）。
Abnormality of chromosome behavior occurs from premeiotic mitosis until various stages in meiosis.
从减数分裂前有丝分裂到减数分裂的各个阶段，染色体行为都会发生异常。
In order to study the general law on meiosis of Periplaneta Brunnea. Air-dried method was used to observe the chromosome of spermatogonium in different stages.
探讨褐斑大蠊减数分裂规律，运用空气干燥法对褐斑大蠊精原细胞第一次减数分裂染色体形态进行观察。
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