The cell differentiation is not the result of the action of a single factor but of the interaction and counteraction of the action system among the gene, cytoplasm and extracellular environment.
但是，细胞分化并非单一因素作用的结果，而是基因、细胞质及细胞外环境作用系统相互作用与反作用的结果。
It does not seem that in this interaction some factors of environment (cytoplasm) lead to the gene mutation or the activation and check of the gene.
这种互相作用，不象是环境(细胞质)中某些因素引起基因突变或基因的活化和抑制。
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