名词解析

嵌合体(mosaic)

正确答案

如果染色体不分离发生在受精卵形成后的卵裂过程中的有丝分裂不分离,或是某一染色体向某一级移动时由于某种原因而行动迟缓,不能进入子细胞,滞留在细胞质中,被分解而丢失产生嵌合体。即体内存在两种或两种以上的细胞系。

答案解析

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