由此表明，该雄性不育系的不育性与染色体结构变异有关。
Therefore, that means the male sterility is related to structure of chromosome change.
结果表明，供试的几种诱变因素均可诱发各类染色体结构变异，其细胞染色体畸变率均明显高于对照。
The mutagenic effects were studied and the results indicated that all the mutagens could induce the variation of the chromosome structure in rice plant.
变异操作模拟自然界生物体进化中染色体上某位基因发生的突变现象，从而改变染色体的结构和物理性状。
The mutation operator is to produce a child from a parent individual by change the value of the specific position.
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