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。
2
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.