英语语法分析

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。

Observe the meiosis on the F1 hybrid of Orychophragmus violaceus.

观察二月兰一代杂交种子的细胞分裂。

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。