表观遗传现象是指基因表达发生改变但不涉及DNA序列的变化, 能够在代与代之间传递。表观遗传变异包括基因沉默、DNA甲基化、核仁显性、休眠转座子激活和基因组印记等方面
简要论述了植物dna甲基转移酶、甲基化方式、发生位置及DNA甲基化所引起的表观遗传现象。
This article briefly discusses plant DNA methyltransferase, the mode and the loci of methylation and the epigenetic phenomenon originated by DNA methylation.
表观遗传学的概念为这些现象提供了部分解释。
The concept of epigenetics offers a partial explanation of these phenomena.
越来越多的生物学家发现了一个被称为表观遗传的现象- - - - - -生物有机体后天获得的非遗传变异有时可以被遗传下去。
Increasingly, biologists are finding that non-genetic variation acquired during the life of an organism can sometimes be passed on to offspring-a phenomenon known as epigenetic inheritance.
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