androgenesis

简明释义

英[/ˌændrəʊˈdʒɛnəsɪs/]美[/ˌændrəʊˈdʒɛnəsɪs/]

n. 雄性单性生殖；[胚] 雄核发育

英英释义

单词用法

同义词

反义词

例句

1.Laser microbeam irradiation to eggs of the silkworm, Bombyx mori, can induce androgenesis, with hatching ratio up to 29%.

激光微束照射家蚕受精卵，可以诱发雄核发育，孵化率达29%左右。

2.Laser microbeam irradiation to eggs of the silkworm, Bombyx mori, can induce androgenesis, with hatching ratio up to 29%.

激光微束照射家蚕受精卵，可以诱发雄核发育，孵化率达29%左右。

3.The study of androgenesis 雄性生殖 in animals has implications for understanding reproductive biology.

对动物中 androgenesis 雄性生殖 的研究对理解生殖生物学具有重要意义。

4.In certain species of plants, androgenesis 雄性生殖 can lead to the formation of haploid individuals from pollen.

在某些植物物种中，androgenesis 雄性生殖 可以导致从花粉形成单倍体个体。

5.Researchers are exploring androgenesis 雄性生殖 as a method for producing genetically uniform plants.

研究人员正在探索 androgenesis 雄性生殖 作为生产基因均一植物的一种方法。

6.The phenomenon of androgenesis 雄性生殖 can be observed in some amphibian species.

在某些两栖动物物种中可以观察到 androgenesis 雄性生殖 的现象。

7.In laboratory conditions, scientists successfully induced androgenesis 雄性生殖 in maize.

在实验室条件下，科学家成功诱导了玉米的 androgenesis 雄性生殖 。

作文

Androgenesis is a fascinating biological process that has captured the attention of scientists and researchers alike. It refers to the development of an organism from sperm without the involvement of maternal egg contribution. This phenomenon primarily occurs in certain species of plants and animals, but it raises interesting questions about reproduction and genetic inheritance. Understanding androgenesis can provide insights into evolutionary biology and reproductive technologies.In essence, androgenesis involves the fertilization of an egg by a sperm cell, leading to the formation of an embryo. However, unlike typical fertilization, where both paternal and maternal genetic material contribute to the offspring, androgenesis results in the offspring having only paternal genes. This unique form of reproduction challenges the conventional understanding of genetic inheritance and raises intriguing possibilities for genetic engineering and cloning.One of the most notable examples of androgenesis can be found in certain species of fish, such as the Amazon molly. This fish is known for its ability to reproduce through a process called gynogenesis, which is similar but involves the activation of an egg by sperm without actual fertilization. In contrast, true androgenesis can be observed in some amphibians and insects, where the sperm alone can trigger the development of an embryo.The implications of androgenesis extend beyond the realm of natural reproduction. Scientists are exploring its potential applications in agriculture and aquaculture. For instance, by harnessing androgenesis, researchers hope to create genetically uniform populations of plants or fish that exhibit desirable traits, such as disease resistance or faster growth rates. This could revolutionize food production and sustainability practices, addressing global challenges related to food security.Moreover, the study of androgenesis can shed light on the mechanisms of genetic expression and inheritance. By examining how genes are expressed in androgenetic organisms, researchers can gain a better understanding of epigenetics and the role of environmental factors in shaping an organism's traits. This knowledge may pave the way for advancements in medical research, particularly in understanding genetic disorders and developing targeted therapies.However, the ethical considerations surrounding androgenesis cannot be overlooked. As with any emerging technology, there are concerns about the potential consequences of manipulating reproductive processes. The possibility of creating organisms with only paternal genetic material raises questions about biodiversity and the long-term effects on ecosystems. It is crucial for scientists, ethicists, and policymakers to engage in discussions about the responsible use of androgenesis and its implications for the future.In conclusion, androgenesis is a remarkable process that challenges traditional notions of reproduction and genetic inheritance. Its study offers valuable insights into evolutionary biology, agricultural advancements, and genetic research. As we continue to explore the potential of androgenesis, it is essential to consider both the scientific opportunities it presents and the ethical responsibilities that accompany such innovations. The future of androgenesis holds promise, but it also calls for careful consideration of its impact on our world.

雄性生殖是一种引人入胜的生物过程，吸引了科学家和研究人员的关注。它指的是一种生物体从精子发育而来，而不涉及母体卵子的贡献。这种现象主要发生在某些植物和动物物种中，但它引发了关于生殖和遗传继承的有趣问题。理解雄性生殖可以为进化生物学和生殖技术提供洞察。本质上，雄性生殖涉及精子细胞对卵子的受精，从而形成胚胎。然而，与典型的受精过程不同，在这种过程中，父系和母系的遗传物质并未共同出现在后代中，雄性生殖导致后代仅具有父系基因。这种独特的生殖方式挑战了对遗传继承的传统理解，并为基因工程和克隆带来了迷人的可能性。雄性生殖最显著的例子之一可以在某些鱼类物种中找到，例如亚马逊小鱼。这种鱼以其能够通过一种称为雌生殖的过程进行繁殖而闻名，这一过程与之相似，但涉及精子激活卵子而不实际受精。相比之下，真正的雄性生殖可以在某些两栖动物和昆虫中观察到，其中精子单独可以触发胚胎的发展。雄性生殖的影响超越了自然繁殖的领域。科学家们正在探索其在农业和水产养殖中的潜在应用。例如，通过利用雄性生殖，研究人员希望创造出基因均匀的植物或鱼类群体，表现出诸如抗病能力或生长速度快等理想特性。这可能会彻底改变食品生产和可持续发展实践，解决与食品安全相关的全球挑战。此外，雄性生殖的研究可以阐明遗传表达和遗传继承的机制。通过检查雄性生殖生物体中基因的表达方式，研究人员可以更好地理解表观遗传学以及环境因素在塑造生物体特征中的作用。这一知识可能为医学研究的进展铺平道路，特别是在理解遗传疾病和开发靶向疗法方面。然而，围绕雄性生殖的伦理考量不容忽视。与任何新兴技术一样，人们对操纵生殖过程的潜在后果表示担忧。创造仅具有父系遗传物质的生物体的可能性引发了有关生物多样性和生态系统长期影响的问题。科学家、伦理学家和政策制定者必须参与讨论，探讨雄性生殖的负责任使用及其对未来的影响。总之，雄性生殖是一种非凡的过程，挑战了传统的生殖和遗传继承观念。它的研究提供了对进化生物学、农业进步和遗传研究的宝贵见解。随着我们继续探索雄性生殖的潜力，考虑它所带来的科学机遇和伴随而来的伦理责任至关重要。雄性生殖的未来充满希望，但也要求我们仔细考虑其对我们世界的影响。