下列描述是与联会和四分体有关的说法其中正确的是 A存在同源染色体的细胞中都会出现四分体b在四分体时期不一定会出现交叉互换c四分体 Template




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tomski下列描述是与联会和四分体有关的说法其中正确的是 a存在同源染色体的细胞中都会出现四分体b在四分体时期不一定会出现交叉互换c四分体 coloring