常見例句雙語例句The result of studies showed that many diseases have a close relationship with mtDNA mutation and deletion.研究表明,線粒體DNA 突變和缺失在許多疾病發(fā)生過程中起著非常重要的作用。Method:The mutation and deletion of exon5, exon6 and exon8 of PTEN gene were detected by PCR, gene clone and sequencing in mucoepidermoid carcinoma of parotid gland and normal gland tissue.方法:應(yīng)用聚合酶鏈反應(yīng)(PCR)及克隆、基因測序的方法來分析腮腺粘液表皮樣癌及正常腺體組織中PTEN基因第5、6、8外顯子有無突變及缺失。DNA damage caused by many factors may lead to missense mutation, deletion or illegal recombination.多種因素可以引起DNA損傷而最終導(dǎo)致基因產(chǎn)生錯(cuò)義突變、 缺失或錯(cuò)誤重組。 返回 mutation deletion