gynogenesis

简明释义

英[ˌɡaɪnəʊˈdʒenɪsɪs]美[ˌdʒaɪnəˈdʒenɪsɪs]

n. [植] 雌核发育；[植] 雌核生殖

英英释义

单词用法

同义词

反义词

例句

1.The haploid breeding of maize is a technology that using anther culture or gynogenesis to produce haploid, and then obtain stable new varieties through natural or artificial doubling.

玉米的单倍体育种，是利用花药培养或孤雌生殖产生单倍体后，进行人工或自然加倍，迅速获得稳定的新品种的育种方法。

2.The haploid breeding of maize is a technology that using anther culture or gynogenesis to produce haploid, and then obtain stable new varieties through natural or artificial doubling.

玉米的单倍体育种，是利用花药培养或孤雌生殖产生单倍体后，进行人工或自然加倍，迅速获得稳定的新品种的育种方法。

3.In certain species of fish, reproduction can occur through gynogenesis, where the egg develops without fertilization.

在某些鱼类中，繁殖可以通过gynogenesis（雌生殖）发生，卵子在没有受精的情况下发育。

4.Researchers are studying gynogenesis to understand its potential in aquaculture for producing all-female populations.

研究人员正在研究gynogenesis（雌生殖），以了解其在水产养殖中生产全雌种群的潜力。

5.The phenomenon of gynogenesis has been observed in some amphibians, where females can reproduce without males.

在某些两栖动物中观察到了gynogenesis（雌生殖）现象，雌性可以在没有雄性的情况下繁殖。

6.Understanding gynogenesis can help in the conservation of endangered species by creating viable offspring without male partners.

理解gynogenesis（雌生殖）可以帮助保护濒危物种，通过不依赖雄性伴侣创造可存活的后代。

7.In some reptiles, gynogenesis occurs when female eggs are activated by sperm but do not incorporate paternal DNA.

在某些爬行动物中，gynogenesis（雌生殖）发生在雌性卵子被精子激活但不结合父方DNA的情况下。

作文

In the realm of biology, the term gynogenesis refers to a fascinating reproductive process in which an embryo develops from an unfertilized egg, relying on the genetic material from the mother. This phenomenon is particularly notable in certain species of fish, amphibians, and reptiles. Understanding gynogenesis not only provides insights into the complexities of reproduction but also opens doors to discussions about evolutionary strategies and genetic diversity. To delve deeper, gynogenesis can be seen as a form of asexual reproduction where the offspring are produced without the fusion of male gametes. In most cases, the presence of sperm is necessary to trigger the development of the egg, but the genetic contribution from the male is absent. This unique mechanism allows species that utilize gynogenesis to reproduce in environments where mates may be scarce, ensuring the continuation of their lineage. One of the most striking examples of gynogenesis can be observed in the Amazon molly, a species of fish that thrives in the waters of Mexico and the southwestern United States. The female Amazon molly produces eggs that can develop into embryos when exposed to sperm from related species, yet the resulting offspring are genetically identical to the mother. This method of reproduction raises intriguing questions about the adaptability of species and their survival strategies in fluctuating environments. The implications of gynogenesis extend beyond just one species; it serves as a reminder of the diverse reproductive strategies that exist in nature. For instance, understanding this process can help scientists develop better conservation methods for endangered species that may rely on such reproductive techniques. By studying gynogenesis, researchers can gain insights into the genetic health of populations, which is crucial for effective conservation efforts. Moreover, the study of gynogenesis can also contribute to advancements in biotechnology and genetic engineering. By understanding how certain organisms can thrive without traditional fertilization processes, scientists may be able to apply these principles to improve agricultural practices or enhance the resilience of crops against environmental stressors. This could lead to significant advancements in food security, especially in regions facing challenges due to climate change. However, the concept of gynogenesis also invites ethical considerations. As we explore the potential applications of this reproductive strategy, it is essential to reflect on the consequences of manipulating natural processes. The balance between scientific advancement and ecological integrity must be carefully maintained to prevent unintended consequences that could arise from altering the natural order. In conclusion, gynogenesis is a remarkable example of nature's ingenuity, showcasing the diverse ways life can adapt and thrive. By studying this process, we not only expand our understanding of reproductive biology but also gain valuable insights into conservation, agriculture, and the ethical implications of scientific progress. The exploration of gynogenesis continues to inspire curiosity and innovation, reminding us of the intricate web of life that surrounds us and the importance of preserving it for future generations.

在生物学领域，术语gynogenesis指的是一种迷人的生殖过程，其中胚胎从未受精的卵子发育，依赖于母体的遗传物质。这种现象在某些鱼类、两栖动物和爬行动物中尤为显著。理解gynogenesis不仅提供了对生殖复杂性的洞察，还开启了关于进化策略和遗传多样性的讨论。 深入探讨，gynogenesis可以被视为一种无性生殖的形式，后代在没有雄性配子的融合的情况下产生。在大多数情况下，精子的存在是触发卵子发育所必需的，但雄性的遗传贡献则缺失。这种独特的机制使得利用gynogenesis的物种能够在伴侣稀缺的环境中繁殖，从而确保其血统的延续。 亚马逊莫利鱼是gynogenesis最引人注目的例子之一，这是一种生活在墨西哥和美国西南部水域的鱼类。雌性亚马逊莫利鱼产生的卵子在暴露于相关物种的精子时可以发育成胚胎，但结果后代在遗传上与母体完全相同。这种繁殖方法引发了关于物种适应能力和在变化环境中生存策略的有趣问题。 gynogenesis的影响不仅限于一个物种；它提醒我们自然界中存在多样的生殖策略。例如，理解这一过程可以帮助科学家为可能依赖这种繁殖技术的濒危物种制定更好的保护方法。通过研究gynogenesis，研究人员可以获得有关种群遗传健康的见解，这对于有效的保护工作至关重要。 此外，gynogenesis的研究也可以促进生物技术和基因工程的进步。通过理解某些生物如何在没有传统受精过程的情况下繁衍生息，科学家可能能够将这些原理应用于改善农业实践或增强作物抵御环境压力的能力。这可能会在面临气候变化挑战的地区带来食品安全方面的重大进展。 然而，gynogenesis的概念也引发了伦理考虑。当我们探索这种生殖策略的潜在应用时，反思操控自然过程的后果至关重要。科学进步与生态完整性之间的平衡必须小心维持，以防止因改变自然秩序而导致的意外后果。 总之，gynogenesis是自然聪明才智的一个显著例子，展示了生命适应和繁荣的多种方式。通过研究这一过程，我们不仅扩展了对生殖生物学的理解，还获得了对保护、农业和科学进步伦理影响的宝贵见解。对gynogenesis的探索继续激发好奇心和创新，提醒我们周围复杂的生命网络以及为后代保护这些生命的重要性。