epigenetic mechanism是什么意思

epigenetic mechanism遗传学The study found that children exposed in the womb to maternal smoking haddifferences in DNA methylation,an epigenetic mechanism in which small chemicalcompounds are added to DNA。研究发现,母亲孕期吸烟,孩子在DNA甲基化上表现出差异,DNA甲基化是一种表观遗传学机制,在这个过程中化学小分子添加到DNA上。手机提问的朋友在客户端右上角评价点【满意】即可。