The stronger the individual radiation sensitivity, the higher the GPA gene mutation frequency.
个体的辐射敏感性较高者，GPA基因突变频率较高；
Methods HPRT gene mutation frequency was examined by the technique of multinuclear cell assay.
应用多核细胞法检测外周血淋巴细胞HPRT基因突变率。
The statistic analysis indicated that the mutation frequency of morphological character was 5.1%.
统计结果表明，形态性状的突变频率为5.1%。
Mutation frequency and selective efficiency in M2 were obviously increased by application of the technique.
应用这项技术，可大大提高M 2代突变频率和选择效率。
Objective To study the influence of individual radiation sensitivity on GPA gene mutation frequency and the way to adjust it.
目的探讨个体辐射敏感性对GPA基因突变频率的影响及其校正方法。
OBJECTIVE: To investigate the mutation frequency, characteristics of RP1 gene in Chinese RP patients and its role in RP pathogenesis.
目的：研究rp1基因在中国RP患者中的突变频率、特征及其在RP发病机制中所起的作用。
CONCLUSIONS: we confirmed previous findings of pronounced differences in mutation frequency between different histopathological subtypes.
结论：我们证实了原先发现的结论，即不同组织病理学亚型之间突变频率存在显著的差异。
The prominent disadvantage of using GPA mutation frequency as biodosimeter and cancer risk predictor is the significant individual differences.
血型糖蛋白A（GPA）基因突变频率在作为生物剂量计及癌的风险预测方面最大的缺陷在于个体差异大。
Results: the mutation frequency of V245V in the control group and PKU group was 70.2 % and 79.5 % respectively. There was no significant difference between the two groups.
结果：对照组和苯酮尿症组该突变位点的基因频率分别为70.2％和79.5％，经统计学检验无显著性差异。
In the radiation dose range used, the colony efficiency of the lymphocytes was negatively correlated to the radiation dose, while the HPRT mutation frequency is positively correlated.
在一定剂量范围内，人外周血淋巴细胞克隆效率与照射剂量呈负相关，HPRT基因突变频率与照射剂量呈正相关。
KRAS mutation frequency in tumor tissue, can be predicted non-small cell lung cancer molecular targeted therapy efficacy and prognosis, and molecular inhibitors of RAS genes is still in its infancy.
KRAS基因突变在恶性肿瘤组织中频发，可预测非小细胞肺癌分子靶向治疗的疗效和预后，针对RAS基因的分子抑制剂研究仍处于初级阶段。
The frequency of mutation is about 3% between other testing group and comparison of group.
而其他两试验组与对照组间突变频率在3%左右。
CONCLUSION: Distribution of frequency of mutation at 54 Thr of IFABP gene is not associated with race, but possible associated with age and high-fat eating habit.
结论：IFABP基因54位点突变频率分布与种族无关，而可能与年龄、高脂饮食习惯相关。
Methods A simple, rapid and sensitive poly-nuclear cell assay was used to investigate the frequency of HPRT locus mutation.
方法采用多核细胞法研究肿瘤患者外周血淋巴细胞HPRT基因位点的突变频率，并与正常人群进行对比。
The variation is quite common among regenerated plants after tissue culture, and the frequency of mutation is very high.
这种变异在植物组织培养后的再生植株中常表现得非常广泛，而且变异频率非常高。
The Celts, by chance, had a high frequency of the ginger mutation, which was able to persist over time.
凯尔特人偶然发生了高频红发变异，并且该特征还会持续下去。
As compared with the conversational breeding, spaceflight mutation breeding is of high mutagenesis frequency, wide variation extent, short breeding period and more elite mutants, etc.
与常规育种相比，航天诱变育种具有诱变频率高、变异幅度大、育种周期短、有利突变体多等特点。
Objective: To investigate the frequency of transfusion-transmitted virus(TTV) infection in healthy blood donors in Hangzhou area and the mutation of TTV genomic fragment.
目的：了解杭州地区健康献血员中输血传播病毒（TTV）的感染情况和病毒基因组片段的变异性。
The frequency of the mutation of G in the healthy group of Han nationality in Shanghai region was higher than that in Britain.
与英国人相比，上海地区汉族人群G等位基因频率较高。
The results approved for the first time that we can obtained various Lotus Japonicus mutants through space flight mutation, and mutant frequency was higher, most of the mutations could stable inherit.
研究结果首次证实了百脉根通过航天诱变处理可以得到多种类型的突变体，并且变异频率高、突变可稳定遗传。
There is high frequency of JAK2 V617F mutation in myeloproliferative disorders and it could be used as the diagnostic marker for myeloproliferative disorders.
JAK2基因V617F突变在骨髓增殖性疾病中有较高的检出率，可作为骨髓增殖性疾病特异性诊断指标。
What's more, different dosed of GOPCcan obviously antagonize the frequency of micronucleus in mice bone marrow cell, implying that GOPC has effect of antagonizing mutation.
经口给予小鼠不同剂量的GOPC，能明显拮抗环磷酰胺所致小鼠骨髓细胞微核率，提示其具有抗突变作用。
What's more, different dosed of GOPCcan obviously antagonize the frequency of micronucleus in mice bone marrow cell, implying that GOPC has effect of antagonizing mutation.
经口给予小鼠不同剂量的GOPC，能明显拮抗环磷酰胺所致小鼠骨髓细胞微核率，提示其具有抗突变作用。
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