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Objective:To analyze the G6PD gene mutation in 87 cantonese G6PD deficient children and study the relationship between nucleotide substitution and clinical presention. 目的 :分析 87例 G6 PD缺陷患儿的基因突变型 ,简要探讨 DN A碱基改变与临床表现之间的关系。
Small mutations including single nucleotide substitutions,small insertions,and small deletions,are the major portion in genetic variations. 在基因突变中,小突变较大突变发生率要高。
Small mutations including single nucleotide substitutions, small insertions, and small deletions, are the major portion in genetic variations. 摘要在基因突变中，小突变较大突变发生率要高。
Distance (evolutionary distance) -- A measure of the number of nucleotide substitutions per nucleotide site between two homologous DNA sequences that have accumulated since the divergence between the sequences. 距离(演化远近)--从两条相似DNA序列间发生相异处收集每个核甘酸位置发生替换个数的量度。
Statistics of sequence compositions and nucleotide substitutions were obtained using MEGA2.1. PAUP*4.0blO (PPC) was used to evaluate the phylogenetic information content of the data and reconstruct NJ, MP and ML trees. PAUP~*4.;0b10(PPC)对数据集系统发育信号进行评估，并以NJ、MP，ML和贝叶斯系统发育推论法分别重建系统发生树。
We use saccharin in substitution for sugar. 我们用糖精代替糖。
nucleotide substitution 核苷酸置换
In non-coding region it shows mutation of single nucleotide deletion or substitution. 非编码区亦存在单个碱基缺失及置换突变。
Substitution of a new obligation for an old one. 更新新契约对旧契约的替代
The substitution of coal for oil is desirable. 以煤代替石油是可取的。
A substitution, an exchange, or an interchange. 交换代替、交换或互换
The substitution bias of nucleotide acids and amino acids indicates the non-random drift products. 核苷酸和氨基酸替换的偏性预示变异可能不仅仅是由随机漂变产生。
The substitution of the phoneme/l/ for/r/ . 错把1音发成r。
Most programs can make a reasonable substitution. 大多数程序员可以找到更合理的替代方式。
The South Korean coach requests substitution. 韩国队教练要求换人。
INFLUENCE OF NEIGHBORING BASE COMPOSITION ON NUCLEOTIDE SUBSTITUTIONS IN ANIMAL MITOCHONDRIAL CODING SEQUENCES 动物线粒体编码序列相邻碱基组成对核苷酸替换的影响
To do this, we ll use the substitution command. 要这样做,将使用替代命令。
An equal exchange or substitution. 替代物:一种平等的交换或替代。
It also carries a specific nucleotide sequence, the anticodon. 它还带有特定的核苷酸序列即反密码子。
They're studying a substitution for the medicine. 他们正在研制一种该药的替代品。