Part of this system is called epigenetic imprinting .

这个系统中的一部分被称为表现遗传性刻痕。

And drinking and smoking can have epigenetic effects in offspring .

吸烟酗酒也会对子女产生外遗传影响。

Epigenetic changes have been found in tumors and some autoimmune diseases .

肿瘤及多种自身免疫性疾病都有表观遗传学的改变。

Epigenetic analyses of brain tumor stem cells .

脑瘤干细胞的表观分析。

The nature of these reactions means epigenetic processes are susceptible to chemical intervention in a way that genetic mutations are not .

这些反应的本质意味着表观遗传过程易受化学干预的影响，而基因突变则不受这些影响。