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表观遗传学(epigenetics)是最近发展起来的一个遗传学分支,它是研究生物体不依赖于DNA基因型的遗传学,是对普通遗传学的一种补充和发展。异常的表观修饰可导致胚胎发育异常和畸变,引起多种代谢异常疾病。1表观遗传学机制所谓表观现象是指,编码基因的DNA序列没有发生改变的情况
Epigenetics, a recently developed branch of genetics, is a genetics that studies organisms independent of DNA genotypes and complements and generalizes genetics. Abnormal epigenetic modifications can lead to abnormal embryonic development and aberrations that cause a variety of metabolic disorders. 1 epigenetic mechanism of so-called apparent phenomenon refers to the coding sequence of the DNA sequence has not changed