HLA is the most polymorphic gene complex of all human genetic systems, play a key role in specific immune response, determine the heterogeneity of individual associated with disease.
HLA是迄今所知最为复杂的遗传多态性系统，是调控人体特异性免疫应答和决定疾病易感性个体差异的主要基因系统。
To sequence the polymorphic gene found by RFLP technique.
对筛查出的多态性基因进行测序分析。
Objective To investigate the association of the polymorphism of serotonin transporter gene linked polymorphic(5-HTTLPR) region with depression and its clinical symptoms in the Han Chinese.
目的探讨中国汉族人群5-羟色胺转运体基因连锁多态性区域（5-HTTLPR）与抑郁症及临床特征的相关性。
A 40-base polymorphic repeat sequence located in the 3 '-untranslated region of the DAT gene was purified and amplified by polymerase chain reaction (PCR).
将位于多巴胺运输器基因3'端未转译区段的40 -碱基多形性重复序列予以纯化、经聚合酶链锁反应放大。
Objective to study the clonality of palmar fibromatosis by molecular genetic analysis of X chromosome inactivation pattern at a polymorphic site of human androgen receptor gene (HUMARA).
目的通过人雄激素受体(HUMARA)基因位点克隆性分析技术确定掌纤维瘤病是否为肿瘤性增生。
The chymotrypsin inhibitors of the silkworm, which displayed polymorphic patterns, were controlled by gene complexes, and played an important role in development, metamorphosis and resistibility.
胰凝乳蛋白酶抑制因子存在多型性，其表达受基因复合体控制。蛋白酶抑制因子对发育、变态、调节蚕体代谢和蚕体防御机能起着重要作用。
Objective:To investigate the relationship between the polymorphic CAG short-tandem repeat(STR) at the androgen receptor(AR) gene exon 1 and lung cancer.
目的：探讨人雄激素受体（AR）基因第一外显子CAG串联短重复序列（STR）多态性与肺癌发生之间的关系。
These results preliminarily indicated that allele C of T/C polymorphic site of HIOMT gene is a potential DNA marker for improving litter size in goats.
本研究结果初步表明HIOMT基因T/C突变位点的C等位基因是一个潜在有效的DNA标记，能够在一定程度上控制山羊的产羔性能。
Theses results demonstrated that all exons of MyoG gene were highly conservative, but its introns (especially intron 1) were more polymorphic in the process of wild boar evolution.
这些结果表明，野猪肌细胞生成素基因的编码序列在进化过程中是高度保守的，而内含子部分尤其是第1内含子具有丰富的序列多态性。
Theses results demonstrated that all exons of MyoG gene were highly conservative, but its introns (especially intron 1) were more polymorphic in the process of wild boar evolution.
这些结果表明，野猪肌细胞生成素基因的编码序列在进化过程中是高度保守的，而内含子部分尤其是第1内含子具有丰富的序列多态性。
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