uniparental

简明释义

英[ˌjunɪˈpɛrənˌtəl]美[ˌjunɪˈpɛrənˌtəl]

adj. 单亲的；单性生殖的

英英释义

单词用法

同义词

反义词

例句

1.They can, however, generate "uniparental" embryonic stem cell lines. Uniparental embryos with two maternal sets of chromosomes are known as parthenogenetic.

但是，他们可以产生“单系”胚胎干细胞系，带有母系的两组染色体的单系胚胎被称为单性生殖。

2.One issue in using uniparental ES cells for tissue transplants is their durability and safety.

使用单系胚胎干细胞进行组织移植中的问题便是其耐用性和安全性。

3.At present, three modes of inheritance are identified including maternal uniparental disomy for chromosome 7 and autosomal dominant or autosomal recessive inheritance.

目前研究发现此病有三种遗传方式：即母源第7号染色体单亲双体、常染色体显性遗传及常染色体隐性遗传。

4.This unambiguously proves that the transplanted uniparental cells could produce hematopoietic stem cells.

这毫无疑问的证明了移植单系干细胞可以生成造血干细胞。

5.At present, three modes of inheritance are identified including maternal uniparental disomy for chromosome 7 and autosomal dominant or autosomal recessive inheritance.

目前研究发现此病有三种遗传方式：即母源第7号染色体单亲双体、常染色体显性遗传及常染色体隐性遗传。

6.The software is also useful for genotype analysis of trios and to show regions of potential uniparental disomy.

该软件对三重基因型的分析及显示潜在的单亲二倍体的区域也是有用的。

7.Research on uniparental 单亲的 mitochondrial inheritance has provided insights into human evolution.

对单亲的线粒体遗传的研究为人类进化提供了见解。

8.The phenomenon of uniparental 单亲的 reproduction is fascinating in certain species of fish.

在某些鱼类物种中，单亲的繁殖现象是令人着迷的。

9.In certain species of plants, reproduction can occur through uniparental 单亲的 mechanisms, allowing for rapid population growth.

在某些植物物种中，繁殖可以通过单亲的机制发生，从而允许快速的种群增长。

10.Some animals exhibit uniparental 单亲的 care, where only one parent is responsible for raising the young.

一些动物表现出单亲的照顾，只有一个父母负责抚养幼崽。

11.The study highlighted the role of uniparental 单亲的 inheritance in determining certain genetic traits in offspring.

这项研究强调了单亲的遗传在决定后代某些遗传特征中的作用。

作文

In the study of genetics, the term uniparental refers to the inheritance of genetic material exclusively from one parent. This concept is particularly fascinating as it contrasts with the more common biparental inheritance, where offspring receive genetic contributions from both the mother and the father. The phenomenon of uniparental inheritance can be observed in various organisms, including certain plants, fungi, and animals. One of the most notable examples is found in mitochondria, the energy-producing organelles within cells. Mitochondria are typically inherited only from the mother, making their genetic analysis a powerful tool for tracing maternal lineage.The implications of uniparental inheritance extend beyond mere curiosity; they play a significant role in evolutionary biology and medicine. For instance, studying mitochondrial DNA can help scientists understand population dynamics and migration patterns throughout history. By analyzing genetic variations in mitochondrial DNA, researchers can trace the ancestry of different human populations and gain insights into how they have evolved over time.Moreover, uniparental inheritance can have profound effects on genetic disorders. Since mitochondrial DNA is inherited maternally, any mutations present in this DNA can lead to diseases that are passed down through the maternal line. Conditions such as Leber's hereditary optic neuropathy (LHON) are examples of disorders linked to uniparental inheritance of mitochondrial DNA. Understanding these genetic principles is crucial for developing effective treatments and interventions for affected individuals.In addition to mitochondrial DNA, uniparental inheritance can also be observed in certain species where individuals inherit all their genetic material from one parent due to specific reproductive strategies. For example, some species of lizards and insects can reproduce via parthenogenesis, a form of asexual reproduction where offspring develop from unfertilized eggs. In such cases, the offspring are genetically identical to the mother, showcasing a clear example of uniparental inheritance in action.The study of uniparental inheritance raises intriguing questions about the nature of genetic diversity and evolution. If genetic material is primarily passed down from one parent, how does this affect the adaptability and resilience of a species? Scientists continue to explore these questions, seeking to unravel the complexities of inheritance patterns and their implications for biodiversity.In conclusion, the concept of uniparental inheritance offers valuable insights into genetic transmission and its consequences in various biological contexts. From understanding human ancestry to addressing genetic disorders, the study of uniparental inheritance is a vital area of research that enhances our comprehension of life’s intricate tapestry. As we delve deeper into this subject, we may uncover new knowledge that could lead to breakthroughs in genetics, conservation, and medicine, ultimately enriching our understanding of the natural world and our place within it.

在遗传学研究中，术语单亲指的是遗传物质仅从一个父母那里继承的现象。这个概念特别引人入胜，因为它与更常见的双亲遗传形成了鲜明对比，在双亲遗传中，后代从母亲和父亲那里获得遗传贡献。单亲遗传现象可以在多种生物中观察到，包括某些植物、真菌和动物。其中一个最显著的例子是线粒体，这些细胞内的能量产生细胞器。线粒体通常仅由母亲遗传，使得对其遗传分析成为追踪母系血统的强大工具。单亲遗传的影响不仅仅是出于好奇；它们在进化生物学和医学中发挥着重要作用。例如，研究线粒体DNA可以帮助科学家理解历史上的种群动态和迁徙模式。通过分析线粒体DNA中的遗传变异，研究人员可以追踪不同人类种群的祖先，深入了解它们如何随时间演变。此外，由于线粒体DNA是母系遗传的，因此任何存在于该DNA中的突变可能导致通过母系传递的疾病。像勒伯遗传性视神经病（LHON）等疾病就是与线粒体DNA的单亲遗传相关的例子。理解这些遗传原则对于开发有效的治疗和干预措施至关重要。除了线粒体DNA，某些物种也可以观察到单亲遗传，其中个体由于特定的繁殖策略而仅从一个父母那里继承所有遗传物质。例如，某些蜥蜴和昆虫物种可以通过孤雌生殖进行繁殖，这是一种无性繁殖形式，后代从未受精的卵子发育而来。在这种情况下，后代在遗传上与母亲完全相同，清楚地展示了单亲遗传的实际例子。对单亲遗传的研究提出了有关遗传多样性和进化的有趣问题。如果遗传物质主要是由一个父母传递的，这将如何影响物种的适应性和韧性？科学家们继续探索这些问题，试图揭开遗传模式及其对生物多样性的影响的复杂性。总之，单亲遗传的概念为遗传传递及其在各种生物背景下的后果提供了宝贵的见解。从理解人类祖先到解决遗传疾病，单亲遗传的研究是一个重要的研究领域，增强了我们对生命复杂织锦的理解。随着我们深入探讨这一主题，我们可能会发现新的知识，这可能导致遗传学、保护和医学方面的突破，从而最终丰富我们对自然世界及其在我们生活中的地位的理解。