Exploration on the Relationship between Infertility and Y Chromosome Microdeletion as well as Spermatozoa Chromosome Aneuploid

Y 染色体微缺失和精子染色体非整倍体与不育关系的探讨

Objective To study the diagnosis of ZFY gene on human Y chromosome and its application in tissue engineering .

目的探讨人的 Y 染色体ZFY基因诊断在组织工程中的应用。

Cytogenetic and Y Chromosome Microdeletions in Patients with Azoospermia and Severe Oligozoospermia

无精、严重少精症患者细胞遗传学和 Y 染色体微缺失研究

Study on relationship of Y chromosome microdeletion with azoospermia or oligozoospermia

Y 染色体微缺失与无精子症少精子症关系的研究

To establish the rate of mutation the team examined an area of the Y chromosome .

为了确定基因突变的速率，这个团队对他们 Y 染色体的某个区域进行了仔细的测定。

That 's because the male Y chromosome ( 3 ) a so-called sex determination gene called SRY .

这是由于男人 Y 染色体自身携带了决定雄性性别的基因片段&SRY基因。

Objective To investigate the relationship between chromosome abnormalities and Y chromosome microdeletion of azoospermia factor ( AZF ) in patients with azoospermia and oligozoospermia .

目的探讨无精、少精及严重少精症与染色体核型异常和 Y 染色体无精子因子（AZF）微缺失的关系。

Study and Application of Molecular Structure and Polymorphisms in the Human Y Chromosome

Y 染色体的分子结构和多态性研究与应用

Large Y Chromosome Cytogenetic Studies and Their Clinical Effect Analysis

大 Y 染色体的细胞遗传学研究及其临床效应分析

They used next-generation sequencing to establish the order of letters on the two Y chromosomes and then compared these to the Y chromosome reference sequence .

他们利用next-generation测序技术来确定这两个Y 染色体的核苷酸序列，然后同对照序列进行比对。

A human sperm cell contains either an X or Y chromosome while an egg only has a X chromosome .

人体精子细胞包含X或 Y 染色体，而卵子只包含X染色体。

Chromosomal and Y chromosome microdeletion analysis in patients with oligozoospermia

男性少精子患者染色体和 Y 染色体微缺失检查

Conclusion Y chromosome microdeletions are one of major causes of idiopathic and nonidopathic male infertility .

结论 Y 染色体微缺失是导致男性特发性不育及非特发性不育的重要原因。

Biologists believe that embryos develop ovaries and become female unless a gene called SRY on the Y chromosome switches on and testes are developed instead .

生物学家认为，胚胎中会发育出子宫，从而性别为女性，而如果 Y 染色体中一个名为SRY的基因被激活，就会长出睾丸，成为男性。

And there are essential genes for sperm formation on the Y chromosome .

Y 染色体上存在精子形成所必需的基因。

Objective : To explore the relationship between Y chromosome microdeletion and non-idiopathic infertility in male cases with dyszoospermia .

目的：探讨非特发性男性不育症与 Y 染色体微缺失的关系。

The analysis of correlation between karyotype and AZF microdeletion on Y chromosome for patients with azoospermia and severe oligozoospermia .

目的：研究男性原发性无精及严重少精症患者 Y 染色体AZF微缺失区域与临床表型的关系。

This demonstrates that the genes on a Y chromosome are essential for meiosis and sperm maturation .

这证明， Y 染色体上的基因对于细胞减数分裂和精子成熟至关重要。

A thorough DNA analysis tracking the most common forms of the Y chromosome amongst British men with AAA and those who are free of the disease is to be undertaken .

将要进行一个彻底的DNA分析，以追踪患有和不患有AAA的英国男性中 Y 染色体的最一般的形式。

New still unpublished work reveals that the Neandertal Y chromosome differs from the human one .

尚未发表的新近研究显示，尼安德塔人的 Y 染色体与人类不同。

Conclusion Micro-deletion in AZF gene of Y chromosome is one of the major risks for oligospermatism and azoospermatism .

结论 Y 染色体AZF微缺失是不明原因无精症、少精症的主要原因之一。

They may for example affect the viability of sperm that bear the Y chromosome which determines male sex & or the viability of male fetuses .

比如，这些物质会影响含有决定男性性别的 Y 染色体的精子的生存能力或男性胎儿的发育。

This showed that the genes on the Y chromosome are essential for cell division and for ensuring fully mature sperm is produced said the authors .

这表明 Y 染色体的基因在细胞分裂中是必不可少的，也确保了完整成熟精细胞的产生，作者说。

This is based on evidence that male sperm ( Y chromosome ) are faster weaker and have a shorter lifespan than female sperm ( X chromosome ) which are slower but survive for longer .

该观点基于雄性精子（即 Y 染色体）与雌性精子（即X染色体）相比游动速度更快，但生命周期更短且活性更低。雌性精子虽然游动得较慢，但存活时间更长。

Scientists prove the same origin or common ancestor for Hans and Tibetans through comparative analysis on genetic Y chromosome .

科学家通过遗传 Y 染色体的对比分析，证实汉藏两民族同根同源，拥有共同祖先。

Objective To investigate the correlation between male infertility and Y chromosome microdeletions of azoospermia factor ( AZF ) regions .

目的：探讨 Y 染色体上无精子因子（AZF）微缺失与男性不育的关系。

It is hoped that the results from this research will be able to identify those individuals with a higher risk of developing AAA due to their Y chromosome .

希望该研究的结果能够确定发生AAA风险较高的个体是因为他们的 Y 染色体。

To search polymorphic Y chromosome biallelic markers in Chinese Han population and obtain their population genetic data .

筛选汉族群体中具有多态性的 Y 染色体双等位基因标记并获取其群体遗传学数据。

In some dioecious plants the Y chromosome is visually distinct from the X.

在一些雌雄异株植物中， Y 染色体可观察到与X 染色体明显的不同。