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- Like genetic mutations, epigenetic changes can pass from one generation of cells to the next. 就像基因突變一樣，外遺傳改變可以從這一代細胞傳給下一代細胞。
- Aberrant methylation of DNA has been recognized as common epigenetic changes in human cancer. DNA異常甲基化是腫瘤常見(jiàn)的表觀(guān)遺傳學(xué)改變。
- Epigenetic changes are heritable changes to the regulation of a cell's genes, caused by extra molecules being attached to those genes. 即便最近對代際遺傳現象的觀(guān)察也顯示：這一現象初看起來(lái)像是獲得性遺傳（這是達爾文派的一個(gè)禁忌），但可能并非如此。
- Says Feinberg, “It could be possible to screen for colon cancer risk by looking at the epigenetic changes in colon cells of healthy people. 研究人員指出，有關(guān)通過(guò)分析健康人結腸細胞中的表觀(guān)遺傳變化來(lái)確定結腸癌風(fēng)險。
- Over the years, our laboratory has found that Zizania DNA introgression could induce a large number of genetic and epigenetic changes of the rice genome. 我們發(fā)現將菰的基因組DNA導入水稻中能誘導水稻基因組發(fā)生廣泛的基因組變異和表觀(guān)遺傳變異。
- Over the years, our laboratory has found that Zizania DNA introgression could induce a large number of genetic and epigenetic changes in some introgression lines. 我們實(shí)驗室的前期工作發(fā)現將菰的基因組DNA導入水稻中能誘導水稻基因組獲得漸滲雜交系發(fā)生廣泛的基因組變異和表觀(guān)遺傳變異。
- DNA methylation is the best studied of the epigenetic changes that influence the gene expression,and changes in genomic methylation patterns have been observed in many cancer cell lines. DNA甲基化是目前研究最為深入的表觀(guān)遺傳學(xué)機制,在腫瘤細胞中基因組甲基化模式常常發(fā)生改變;
- According to Perera, some evidence already exists that PAHs can lead to epigenetic changes in gene activity that cannot be identified by looking for breaks or disruptions in the genetic code itself. 裴里拉說(shuō)，已經(jīng)有些證據指出PAH所導致的基因活動(dòng)產(chǎn)生外遺傳變化，這些變化中并沒(méi)發(fā)現有基因編碼的缺失與改變。
- Genomic imprinting is a type of epigenetic change that causes one copy of a particular gene to be turned off, depending on its parental origin. “基因組印跡”屬于后生變化之一，它能夠關(guān)閉來(lái)自其親本的某一特定基因的復制。
- Recently, it has been shown that germ-cells, too, are subject to epigenetic change, sometimes in response to environmental stimuli. 最近的研究顯示，細菌的細胞同樣受后天改變的影響，這些遺傳變化有時(shí)是對外部環(huán)境刺激的反應。
- The nobility usually resist social changes. 貴族通常反對社會(huì )變革。
- They want to see substantial changes. 他們想看到實(shí)質(zhì)性的變化。
- This city underwent great changes. 這座城市經(jīng)歷了巨大的變化。
- She varied her dress as fashion changes. 她的衣著(zhù)隨著(zhù)潮流而變化。
- He rings the changes on his old story. 他總是以不同的方式講他的老故事。
- She undertook responsibility for the changes. 她承擔了這些變革的責任。
- , Great epigenetic changes take place during the spermatogenesis and fertilization, so it is very important for us to understand the epigenetic messages. 在精子發(fā)生及受精過(guò)程中表觀(guān)遺傳信息都發(fā)生了較大變化,因此了解精子的表觀(guān)遺傳學(xué)變化對研究后代遺傳信息的改變至關(guān)重要。
- Recent changes in the tax law are clearly set out in the booklet. 在那本小冊子里清楚地描述了近來(lái)稅務(wù)法的變更情況。
- Appreciable changes in temperature. 可察覺(jué)到的溫度上的變化
- The changes are an improvement in one way. 這些變從某種意義上說(shuō)是一種進(jìn)步。
