利用 核酸分子杂交原理,根据图中突变基因的核苷酸序列(ACGTGTT),写出作为探针的核 4 糖核苷酸序列 。 (3)根据凝胶电泳带谱分析可以确定胎儿是否会患有镰刀型细胞贫血症。
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DNA序列分析表明，T7溶菌酶基因的核苷酸序列与国外发表的序列有99.5%的同源性，推测的氨基酸序列完全一致。
DNA sequence analysis showed that the nucleotide sequence of T7 lysozyme gene was 99.5% homologous with the reported sequence and its deduced amino acid sequence was the same as reported.
本发明公开了一种源于稻瘟病菌的真菌致病性基因MNH6，该基因的核苷酸序列或其互补链的核苷酸序列为SEQ ID NO： 1。
The invention discloses a fungus pathogenic gene MNH6 from rice blast bacterial, wherein the nucleic acid sequence or the nucleic acid sequence of complementary chain is seq id NO: 1.
他们的语言问题仅仅是因为DNA中一个核苷酸发生了改变，也就是说基因序列中有一个字母被改写了。
Their trouble with language had been caused by the change of a single nucleotide of dna-just one letter in the genetic sequence.
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