减数分裂过程中染色体行为异常的花粉母细胞约占10.28%；雄配子体发育过程中异常频率约为3.2%，败育主要发生在单核期。
In meiosis, the pollen mother cells that abnormally acted made up about 10.28% and the male gametophytes abnormally acted at a frequency of 3.2% and mainly aborted at uninucleate stage.
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。
Abnormality of chromosome behavior occurs from premeiotic mitosis until various stages in meiosis.
父母的行为与其胎儿染色体核型正常或异常关系不大。
Parents' behaviour had little correlation with fetus chromosome abnormalities.
父母的行为与其胎儿染色体核型正常或异常关系不大。
Parents' behaviour had little correlation with fetus chromosome abnormalities.
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