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【单选题】
下图表示同一生物不同时期的细胞分裂图像(仅画出部分染色体),相关说法不正确的是( )
A.
图①的子细胞不可能是卵细胞;而非同源染色体自由组合发生在②的下一时期
B.
图②④所示过程仅发生在某些器官中,图②分裂后立即进入下一个细胞周期
C.
图③染色体、染色单体、核DNA之比为1∶2∶2,是观察染色体形态和数目最好的时期
D.
图④是减数第二次分裂的后期细胞,细胞分裂完成后将形成2个精细胞或第二极体
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