变异是生物的基因特征之一下列不属于细菌产生的可遗传变异有 �基因突变 �基因重组 �染色体变异 �环境条件的变化 �染色单体互换 �非同源 Template




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tomski变异是生物的基因特征之一下列不属于细菌产生的可遗传变异有 �基因突变 �基因重组 coloring