These changes in a population are called polymorphisms.
这些在一个群体中的变化被称为多态性。
Current genetic tests analyze about 600,000 SNPs (single nucleotide polymorphisms) or 0.1 percent of the entire genome.
当前的基因检测分析了大约600,000个SNP(单核苷酸多态性)，只是整个基因组的千分之一。
Some changes in DNA occur naturally and lead to no harmful effects; these changes in a population are called polymorphisms.
有些DNA的变化是自然发生的不会产生有害影响；这些在一个群体中的变化被称为多态性。
Each person's collection of these changes (called "single nucleotide polymorphisms, or SNPs) contributes to his or her individuality.
每个人带有的这些差异的集合（称作单核苷酸多态性，简称SNPs）造成了他/她的独特性。
Dr Quintana-Murci's data were drawn from a project called HapMap, which catalogues what are known as single-nucleotide polymorphisms, or SNPs.
Quintana - Murci博士的数据来自人类基因组单体型计划图，旨在对单核苷酸多态性，即SNPs进行归类。
Objective To explore the association of LPL gene polymorphisms with CHD.
目的探讨脂蛋白脂酶（LPL）基因多态性与冠心病的关系。
Objective: to investigate the distribution of cytokine gene polymorphisms.
目的探讨细胞因子基因多态性分布。
To study the genetic marker polymorphisms and role of microsatellite of inbred strain mice.
目的研究近交系小鼠微卫星位点的遗传标记多态性及其意义。
To understand the polymorphisms of RHD-gene among RHD - negative blood donors in Changsha city.
了解长沙地区RHD阴性者中RHD基因的多态性情况。
The result showed that there were obvious polymorphisms of salt-soluble protein after improving.
结果表明：改进后使不同玉米品种盐溶蛋白电泳谱带差异更明显。
It has been reported that GSTM1, GSTT1 genetic polymorphisms are associated with several malignancies.
据报道，GSTM1、GSTT1基因多态性与多种恶性肿瘤的发生密切相关。
CONCLUSION: UGT1A7 gene polymorphisms may increase the genetic susceptibility of lung adenocarcinoma in Chinese.
结论：UGT1A7基因多态可能是中国人肺癌遗传易感性因素。
Scientists later refined the map by looking for single variations called SNPs or single nucleotide polymorphisms.
科学家们稍后通过利用称为SNP的单核苷酸多态性使遗传图谱更加精细。
Mitochondrial haplogroups defined by common polymorphisms have been associated with risk of disease and longevity.
由共同多态现象确定的线粒体单倍群与疾病的危险因素和生存率相关。
Conclusion TNFA promoter polymorphisms are important host genetic factors affecting the outcomes of HBV infection.
结论TNFA基因启动子区多态性与HBV感染结局显著关联。
Further studies should be needed on the association between the genetic polymorphisms in GSTP1 and the risk of BP.
GSTP1基因多态与慢性苯中毒遗传易感性的关系仍需进一步研究。
This study was to examine the correlation of polymorphisms of UGT1A7 gene to genetic susceptibility of lung cancer.
本实验旨在研究UGT1A7基因多态与肺癌易感性的关系。
Objective: to investigate the correlation between XRCC1 genetic polymorphisms and susceptibility to human lung cancer.
目的：探讨XRCC1基因单核苷酸多态性与肺癌易感性的关系。
Objective To explore the association between genetic polymorphisms of XRCC1 and susceptibility to acute childhood leukemia.
目的探讨XRCC1基因多态与儿童急性白血病遗传易感性的关系。
The genetic polymorphisms due to mutations in the methylene tetrahydrofolate reductase gene may increase the risk for NTDs.
亚甲基四氢叶酸还原酶基因突变导致的遗传多态现象可增加神经管缺陷(ntd)发生的危险性。
Objective To investigate the features of somatic mutations and polymorphisms of mitochondrial D loop regions in breast cancer.
目的探讨乳腺癌的线粒体基因D环区的体细胞性突变和多态性变异特征。
To study the relationship between essential elements and GST genetic polymorphisms in patients with chronic benzene poisoning.
探讨谷胱甘肽硫转移酶（GST）基因多态与慢性苯中毒患者血清中必需元素的关系。
The investigators hypothesized that ABCB1 polymorphisms in humans might also affect antidepressant concentrations in the brain.
研究者假设，人类的ABCB1多型态也会影响脑中的抗忧郁药物浓度。
Objective: to assess the gene polymorphisms and concentration of vascular endothelial growth factor (VEGF) and the risk for stoke.
目的：探讨血管内皮细胞生长因子(VEGF)基因多态与血浆VEGF浓度以及脑卒中患病风险的关系。
Objective To determine the association of N-acetyltransferases 2(NAT2)genetic polymorphisms and the susceptibility to stomach cancer.
目的探讨N-乙酰转移酶2（NAT2）基因多态性与胃癌易感性的关系。
Objective To study the HLA-DRB1/DQB1 allele polymorphisms and genetic characters of the children of Bai and Yi nationalities in Kuming.
目的研究昆明白族和彝族儿童HLA-DRB1／DQB1等位基因多态性，分析比较昆明白族和彝族人群的遗传特点。
Conclusion The genetic polymorphisms of ALDH2 might contribute to gastric cancer susceptibility and interact with environmental exposure.
结论ALDH2基因多态性与胃癌易感性有关，并与环境暴露有一定的交互作用。
Objective: To study the possible relationship between CYP1A1 genetic polymorphisms and susceptibility of acute lymphoblastic leukemia(ALL).
目的探讨CYP1A1基因多态性与急性淋巴细胞白血病（ALL）遗传易感性的关系。
Objective To investigate the association of cadherin 23 gene (CDH23) polymorphisms with the development of noise induced hearing loss (NIHL).
目的探讨钙粘蛋白23基因(CDH23)多态性与噪声性听力损失之间的关系。
Objective To investigate the association of cadherin 23 gene (CDH23) polymorphisms with the development of noise induced hearing loss (NIHL).
目的探讨钙粘蛋白23基因(CDH23)多态性与噪声性听力损失之间的关系。
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