个体的辐射敏感性较高者，GPA基因突变频率较高；
The stronger the individual radiation sensitivity, the higher the GPA gene mutation frequency.
HPRT基因突变频率与染色体畸变、微核具有良好的相关性。
The HPRT gene mutation frequencies had better linear relations with chromosome aberrations and micronuclei.
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 study the influence of individual radiation sensitivity on GPA gene mutation frequency and the way to adjust it.
巨大胚和甜胚乳两突变体基因突变频率分别为0.0227和0.0070。
The mutation frequencies in ge and su mutant were 0.0227 and 0.0070 respectively.
结论中国哈萨克族TPMT活性呈正态分布，总TPMT基因突变频率同汉族相比差异无显著性。
Conclusion There were no statistically significant differences in Chinese Kazakstan and Chinese Han in distribution of TPMT activity and genotype frequence of TPMT.
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。
The prominent disadvantage of using GPA mutation frequency as biodosimeter and cancer risk predictor is the significant individual differences.
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。
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。
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.
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