Conclusion The risk of IGF - ⅱ gene imprinting loss is higher in female twins and has no relationship with assisted reproductive technology and zygosity .

结论胎盘IGF-Ⅱ基因印迹丢失好 发于女性双胎，与双 胎受孕方式、 合子 性质 无关。

Study on Ossify in Vivo of Human BMSc Induced by PRP and Mixing Culture of Human BMSc with Discrepant Zygosity

PRP诱导人BMSc体内成骨及 免疫配 型不 相合人 BMSc混合培养实验研究

However chemical durg resistance and side-effects on normal cells of adverse reaction and high cost and zygosity difficulties in bone marrow transplantation are hindering the development of leukemia treatment .

然而，化疗耐药及其对正常细胞的高损伤，骨髓移植的昂贵费用及 配 型困难 等等均阻碍白血病的治疗发展。

Methods Using PCR-SSP method to detect upstream downstream and hybrid Rhesus boxes of 438 RhD negative RhD positive and weak D samples and determine the gene zygosity of the individuals according to the Rhesus box pattern .

方法采用PCR-SSP方法检测438例RhD阳性、弱D 表现 型、RhD阴性表型个体的RHD基因上、下游盒和杂交盒，根据个体盒子的检测结果 推测其 合子 型。

Short tandem repeat polymerase chain reaction used in prenatal diagnoses of the zygosity and common chromosomal trisomies in multiple pregnancies

短串联重复序列聚合酶链反应产前诊断多胎妊娠 合子 性质及常见染色体三体

Objective To compare insulin-like growth factor ⅱ( IGF - ⅱ) gene imprinting in twin placentas with singleton ones and to determine whether imprinting was influenced by assisted reproductive technology zygosity and fetal sex .

目的探讨双胎胎盘胰岛素样生长因子Ⅱ（InsulinlikegrowthfactorⅡ，IGF-Ⅱ）基因印迹状态在单胎和双胎 之间 的 差异 及其与双胎 受孕 方式、 合子 性质和胎儿性别的关系。

Methods A pair of identical twins with HSP were analyzed in their clinical features symptoms and follow-up results meantime they were tested with zygosity diagnosis .

方法对一对患 单纯 型HSP孪生兄弟的临床特点和症状进行分析并跟踪随访，同时作 孪 生子 卵 型 鉴定。

Determination of RHD Zygosity in Chinese Population and Function Research of Rh Protein Complex Components CD47

中国人RHD 合子 型研究和Rh蛋白复合体组分CD47功能研究