syngamy

简明释义

英[ˈsɪŋɡəmi]美[ˈsɪnɡəmi]

n. [遗] 两性生殖；[生物] 配子配合

英英释义

单词用法

同义词

反义词

例句

1.Gametes showed intensive positive phototaxis, after syngamy, motile zygotes showed negative phototaxis.

其配子具有明显的正趋光性，合子具有负趋光性。

2.Gametes showed intensive positive phototaxis, after syngamy, motile zygotes showed negative phototaxis.

其配子具有明显的正趋光性，合子具有负趋光性。

3.In the study of reproduction, syngamy refers to the fusion of gametes during fertilization.

在生殖研究中，syngamy 指的是在受精过程中配子的融合。

4.The process of syngamy is crucial for the formation of a zygote.

syngamy 的过程对合子形成至关重要。

5.Understanding syngamy can help scientists develop better methods for artificial insemination.

理解 syngamy 可以帮助科学家开发更好的人工授精方法。

6.During syngamy, genetic material from both parents combines to create genetic diversity.

在 syngamy 过程中，来自双亲的遗传物质结合以创造遗传多样性。

7.Researchers observed that syngamy occurs in various forms of life, from plants to animals.

研究人员观察到，syngamy 在从植物到动物的各种生命形式中发生。

作文

In the realm of biology, the process of reproduction is fundamental to the survival and evolution of species. One crucial aspect of this process is known as syngamy, which refers to the fusion of two gametes during fertilization. This event marks the beginning of a new organism's life and plays a vital role in genetic diversity. Understanding syngamy is essential for anyone interested in the complexities of life and the mechanisms that drive evolution. The term syngamy originates from the Greek words 'syn' meaning together, and 'gamy' meaning marriage or union. Essentially, it describes the union of male and female gametes, which can occur in various forms across different organisms. In animals, this typically involves the fusion of sperm and egg cells, while in plants, it can involve the joining of pollen and ovules. The successful occurrence of syngamy leads to the formation of a zygote, which will eventually develop into a new individual. One of the most fascinating aspects of syngamy is its role in promoting genetic variation. During the process of gamete formation, a mechanism known as meiosis occurs, where genetic material is shuffled and recombined. This means that the gametes produced by each parent carry different combinations of genes. When these gametes undergo syngamy, the resulting zygote inherits a unique set of genetic information from both parents. This genetic diversity is crucial for the adaptability and resilience of populations, allowing them to better cope with environmental changes and challenges. Additionally, syngamy is not just a simple merging of genetic materials; it is a highly regulated process that involves numerous signaling pathways and molecular interactions. For instance, in many species, sperm must undergo a series of changes, known as capacitation, before they can successfully fuse with the egg. This process ensures that only the healthiest and most viable sperm can participate in syngamy, further enhancing the chances of producing a robust offspring. The implications of syngamy extend beyond individual reproduction; they also have significant consequences for population dynamics and evolutionary processes. For example, in sexually reproducing populations, the genetic mixing that occurs through syngamy can lead to the emergence of new traits and adaptations. This is particularly important in changing environments, where certain genetic combinations may confer advantages that enhance survival and reproduction. Moreover, understanding syngamy has practical applications in fields such as agriculture and conservation biology. By manipulating the conditions under which syngamy occurs, scientists can develop improved crop varieties or help preserve endangered species. Through techniques such as selective breeding or assisted reproductive technologies, researchers can harness the power of syngamy to promote desirable traits and enhance biodiversity. In conclusion, syngamy is a fundamental biological process that signifies the union of gametes during fertilization. Its significance lies not only in the creation of new life but also in the promotion of genetic diversity and adaptability within populations. As we continue to explore the intricacies of reproduction and evolution, the study of syngamy remains an essential area of research, offering insights into the very fabric of life itself. Understanding syngamy allows us to appreciate the complexity and beauty of biological systems, reminding us of the interconnectedness of all living organisms.

在生物学领域，繁殖过程对物种的生存和进化至关重要。这个过程中的一个关键方面被称为syngamy，它指的是在受精过程中两个配子的融合。这一事件标志着新生物体生命的开始，并在遗传多样性中发挥着重要作用。理解syngamy对任何对生命复杂性以及驱动进化机制感兴趣的人来说都是必不可少的。 术语syngamy源自希腊语单词'syn'，意为一起，以及'gamy'，意为婚姻或结合。它本质上描述了雄性和雌性配子的结合，这种结合在不同生物中可以以各种形式发生。在动物中，这通常涉及精子和卵细胞的融合，而在植物中，它可能涉及花粉和胚珠的结合。syngamy的成功发生导致了合子（zygote）的形成，而合子最终将发育成新的个体。 syngamy的一个最迷人的方面是它在促进遗传变异中的作用。在配子形成的过程中，发生了一种称为减数分裂的机制，其中遗传物质被打乱和重组。这意味着每个父母产生的配子携带不同的基因组合。当这些配子经历syngamy时，所产生的合子从两个父母那里继承了一组独特的遗传信息。这种遗传多样性对种群的适应性和韧性至关重要，使它们能够更好地应对环境变化和挑战。 此外，syngamy不仅仅是遗传材料的简单合并；它是一个高度调节的过程，涉及许多信号通路和分子相互作用。例如，在许多物种中，精子必须经历一系列变化，称为能力成熟（capacitation），才能成功与卵子融合。这个过程确保只有最健康和最有活力的精子可以参与syngamy，进一步增强了产生强壮后代的机会。 syngamy的意义不仅限于个体繁殖；它还对种群动态和进化过程产生重大影响。例如，在性繁殖种群中，通过syngamy发生的遗传混合可以导致新特征和适应性的出现。这在变化的环境中尤其重要，因为某些遗传组合可能赋予生存和繁殖的优势。 此外，理解syngamy在农业和保护生物学等领域具有实际应用。通过操控syngamy发生的条件，科学家可以开发出改良的作物品种或帮助保护濒危物种。通过选择性育种或辅助生殖技术等方法，研究人员可以利用syngamy的力量来促进理想特征并增强生物多样性。 总之，syngamy是一个基本的生物过程，标志着受精过程中配子的结合。它的重要性不仅在于新生命的创造，还在于促进种群内的遗传多样性和适应性。随着我们继续探索繁殖和进化的复杂性，对syngamy的研究仍然是一个重要的研究领域，提供了对生命本质的深刻见解。理解syngamy使我们能够欣赏生物系统的复杂性和美丽，提醒我们所有生物体之间的相互联系。