syndesis

简明释义

英[sɪnˈdɪsɪs]美[ˈsɪndəsɪs]

n. 接合；捆扎；关节固定术；染色体结合（等于 synapsis）

复 数 s y n d e s e s

英英释义

单词用法

同义词

反义词

例句

1.During meiosis, the process of syndesis 联会 ensures that homologous chromosomes pair up accurately.

在减数分裂过程中，syndesis 联会 确保同源染色体准确配对。

2.The study of syndesis 联会 in genetics can help us understand chromosomal disorders.

对遗传学中 syndesis 联会 的研究可以帮助我们理解染色体疾病。

3.Researchers observed syndesis 联会 during the cell division process under a microscope.

研究人员在显微镜下观察到细胞分裂过程中发生了 syndesis 联会。

4.In plant biology, syndesis 联会 is crucial for the formation of gametes.

在植物生物学中，syndesis 联会 对配子的形成至关重要。

5.The failure of syndesis 联会 can lead to genetic abnormalities in offspring.

如果 syndesis 联会 失败，可能导致后代的遗传异常。

作文

In the field of biology, the term syndesis refers to the process of pairing homologous chromosomes during meiosis. This is a crucial step in the formation of gametes, as it ensures that genetic information is accurately exchanged between the paired chromosomes. The importance of syndesis cannot be overstated; it plays a vital role in maintaining genetic diversity within a population. By allowing for the exchange of genetic material, syndesis contributes to the evolutionary process, enabling species to adapt over time to changing environments.The mechanism of syndesis involves several stages. Initially, homologous chromosomes, which are similar but not identical, align closely together. This alignment is facilitated by various proteins that help stabilize the interaction between the chromosomes. Once aligned, the chromosomes undergo a process known as synapsis, where they become physically connected along their lengths. During this stage, genetic recombination can occur, leading to the exchange of DNA segments between the chromosomes. This recombination is essential for producing genetic variation, which is the raw material for evolution.Furthermore, syndesis is not limited to just one type of organism. It is a fundamental process observed in many eukaryotic organisms, including plants and animals. Understanding syndesis has significant implications for various fields, including genetics, agriculture, and medicine. For instance, in agriculture, knowledge about syndesis can aid in the development of crop varieties that are more resilient to diseases or environmental stresses. By manipulating the mechanisms of syndesis, scientists can create hybrids that combine desirable traits from different parent plants.In the medical field, research on syndesis can lead to insights into genetic disorders. Many genetic diseases arise from errors in chromosome pairing and segregation during meiosis. By studying syndesis, researchers can better understand the underlying causes of these disorders and potentially develop therapies that target the specific mechanisms involved.Moreover, the concept of syndesis extends beyond biology; it can be metaphorically applied to various aspects of life. For example, in social contexts, syndesis can symbolize the coming together of diverse individuals to form a cohesive community. Just as chromosomes must pair and exchange genetic material to ensure healthy offspring, people must collaborate and share ideas to foster innovation and growth within society. This analogy highlights the importance of connection and cooperation in achieving common goals.In conclusion, syndesis is a multifaceted concept with profound implications in both biological and metaphorical contexts. Its role in genetics underscores the importance of collaboration and exchange, whether it be among chromosomes or individuals in society. As we continue to explore the intricacies of syndesis, we uncover not only the secrets of heredity and evolution but also the fundamental principles that govern our interactions and relationships in the broader world.

在生物学领域，术语syndesis指的是在减数分裂过程中配对同源染色体的过程。这是形成配子的关键步骤，因为它确保了配对染色体之间的遗传信息准确交换。syndesis的重要性不容小觑；它在维持种群内的遗传多样性方面发挥着至关重要的作用。通过允许遗传物质的交换，syndesis有助于进化过程，使物种能够随着环境的变化而适应。syndesis的机制涉及几个阶段。最初，同源染色体，即相似但不完全相同的染色体，紧密对齐在一起。这种对齐是由各种蛋白质促进的，这些蛋白质帮助稳定染色体之间的相互作用。一旦对齐，染色体就会经历一个称为联会的过程，在这个过程中，它们沿着长度物理连接。在这一阶段，遗传重组可以发生，导致染色体之间DNA片段的交换。这种重组对于产生遗传变异至关重要，而遗传变异是进化的原材料。此外，syndesis并不仅限于某一种生物体。这是许多真核生物（包括植物和动物）中观察到的基本过程。理解syndesis对遗传学、农业和医学等多个领域具有重要意义。例如，在农业中，关于syndesis的知识可以帮助开发更具抗病性或耐环境压力的作物品种。通过操控syndesis的机制，科学家可以创造出结合不同母本的优良性状的杂交种。在医学领域，关于syndesis的研究可以为遗传疾病提供洞察。许多遗传疾病源于减数分裂过程中染色体配对和分离的错误。通过研究syndesis，研究人员可以更好地理解这些疾病的根本原因，并可能开发针对特定机制的治疗方案。此外，syndesis的概念超越了生物学；它可以隐喻性地应用于生活的各个方面。例如，在社会背景中，syndesis可以象征着多样个体聚集在一起形成一个凝聚的社区。正如染色体必须配对并交换遗传物质以确保健康后代一样，人们必须合作并分享思想，以促进社会内的创新和增长。这一类比强调了在实现共同目标时联系与合作的重要性。总之，syndesis是一个多方面的概念，在生物和隐喻的背景下都具有深远的意义。它在遗传学中的作用突显了合作和交流的重要性，无论是在染色体之间还是在社会中的个体之间。随着我们继续探索syndesis的复杂性，我们不仅揭示了遗传和进化的秘密，还揭示了支配我们在更广泛世界中互动和关系的基本原则。