Y chromosome

noun

1. Y染色体
   a sex chromosome . In human males each cell has one X chromosome and one Y chromosome . In human females there is never a Y chromosome .

1. Y染色体
   A Y chromosome is the chromosome in a man's cells which will produce a male baby if it joins with a female's X chromosome. Y chromosomes are associated with male characteristics.

1. 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。
2. 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。
3. 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。
4. 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。
5. 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。
6. 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。
7. 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。
8. 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。
9. 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。
10. 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。
11. 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。
12. New, still unpublished work reveals that the Neandertal Y chromosome differs from the human one.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。
13. 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
14. 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。
15. 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。
16. 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。
17. 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
18. 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。
19. 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。
20. 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。
21. 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
22. 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
23. 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。
24. 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
25. 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。
26. 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。
27. This female-to-male sex reversal almost always happens when a certain gene called SRY, usually carried on the Y chromosome, accidentally ends up on the X chromosome inherited from the father.
    SRY基因通常位于Y染色体上，当此基因意外的出现在从父本遗传过来的X染色体上时，可发生女变男的性别转换。
28. 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
29. 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。
30. 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。