polyembryony
简明释义
英[ˌpɒlɪˈembrɪəni]美[ˌpɑliˈembriəni;ˌpɑliˈemˈbraɪ
n. 多胚,多胎
英英释义
Polyembryony is a phenomenon in which multiple embryos develop from a single fertilized egg, leading to the formation of more than one individual organism. | 多胚性是一种现象,其中多个胚胎从一个受精卵发育而来,导致形成多个个体生物。 |
单词用法
多胚胎发生 | |
多胚胎研究 | |
植物中的多胚胎 | |
动物中的多胚胎 |
同义词
多重胚胎发育 | Polyembryony is observed in certain species of insects and plants. | 在某些昆虫和植物物种中观察到多胚胎发育。 | |
多胚胎发育 | Multiple embryonic development can lead to genetically identical offspring. | 多重胚胎发育可以导致基因相同的后代。 |
反义词
单胚性 | In most mammals, monoembryony is the typical mode of reproduction. | 在大多数哺乳动物中,单胚性是典型的繁殖方式。 | |
无胚性 | Unembryonic development can occur in certain asexual organisms. | 无胚性发育可以发生在某些无性生殖的生物中。 |
例句
1.Simple polyembryony occurs frequently and rosette embryo occurs occasionally.
太白红杉具简单多胚和莲座胚。
2.Simple polyembryony occurs frequently and rosette embryo occurs occasionally.
太白红杉具简单多胚和莲座胚。
3.Researchers are studying polyembryony 多胚发育 in some plants to understand its evolutionary advantages.
研究人员正在研究某些植物中的polyembryony 多胚发育 以了解其进化优势。
4.The phenomenon of polyembryony 多胚发育 is an interesting topic in developmental biology.
在发育生物学中,polyembryony 多胚发育 现象是一个有趣的话题。
5.In cattle, polyembryony 多胚发育 can be induced artificially for breeding purposes.
在牛的繁殖中,可以通过人工方法诱导polyembryony 多胚发育。
6.The study of polyembryony 多胚发育 has implications for cloning and genetic engineering.
对polyembryony 多胚发育 的研究对克隆和基因工程有重要意义。
7.In certain species of wasps, polyembryony 多胚发育 allows a single fertilized egg to develop into multiple embryos.
在某些种类的黄蜂中,polyembryony 多胚发育 使得一个受精卵能够发育成多个胚胎。
作文
Polyembryony is a fascinating biological phenomenon that has intrigued scientists and researchers for many years. It refers to the occurrence of multiple embryos developing from a single fertilized egg. This process can lead to the formation of several genetically identical organisms, which can be seen in various species across the animal and plant kingdoms. Understanding polyembryony (多胚性) is essential for comprehending certain aspects of reproduction and development in these organisms.In nature, polyembryony is particularly common in certain types of parasitic wasps, where one egg can divide into several embryos, leading to multiple offspring from a single ovum. This reproductive strategy allows these species to maximize their reproductive output in environments where resources may be limited. By producing multiple embryos, these organisms increase their chances of survival and success in their respective ecosystems.The phenomenon of polyembryony is not limited to animals; it also occurs in some plants. For instance, certain species of orchids exhibit this trait, where a single fertilized ovule can develop into multiple seeds. This adaptation can be advantageous in ensuring the continuation of the species, especially in habitats where pollination may be sporadic or unreliable.From a scientific perspective, studying polyembryony provides insights into genetic diversity and evolution. Since the embryos produced through this process are genetically identical, they offer a unique opportunity to explore how environmental factors influence development and survival. Researchers can investigate how these identical organisms respond to different stimuli, which can shed light on the role of genetics versus environment in shaping the characteristics of living beings.Moreover, polyembryony has significant implications in the field of agriculture and biotechnology. By understanding the mechanisms behind this phenomenon, scientists can potentially manipulate plant breeding processes to produce more resilient and productive crops. For example, if researchers can induce polyembryony in economically important plants, it could lead to higher yields and improved food security in the face of a growing global population.In addition to its practical applications, the study of polyembryony raises intriguing questions about the nature of individuality and identity in living organisms. If multiple organisms arise from a single zygote, what does this mean for our understanding of what it means to be an individual? This philosophical inquiry challenges our perceptions and encourages us to think critically about the complexities of life.In conclusion, polyembryony (多胚性) is a remarkable biological phenomenon that showcases the diversity of reproductive strategies in nature. Its presence in both animals and plants highlights the adaptability of life forms in various environments. As we continue to study and understand this phenomenon, we open doors to new possibilities in science, agriculture, and our comprehension of life itself. The exploration of polyembryony not only enriches our knowledge of biology but also prompts us to reflect on the deeper questions of existence and individuality.
多胚性是一个令人着迷的生物现象,多年来一直吸引着科学家和研究人员的兴趣。它指的是多个胚胎从一个受精卵中发育的情况。这个过程可以导致多个基因相同的生物体的形成,这在动物和植物王国的各种物种中都可以看到。理解polyembryony(多胚性)对于理解这些生物体的繁殖和发育的某些方面至关重要。在自然界中,polyembryony在某些类型的寄生蜂中尤其常见,其中一个卵子可以分裂成多个胚胎,从而导致多个后代来自一个卵子。这种繁殖策略使这些物种能够在资源可能有限的环境中最大化其繁殖产出。通过产生多个胚胎,这些生物体增加了在各自生态系统中生存和成功的机会。polyembryony现象不仅限于动物;它也发生在一些植物中。例如,某些种类的兰花表现出这一特性,一个受精的胚珠可以发育成多个种子。这种适应性在确保物种延续方面可能是有利的,尤其是在授粉可能不稳定或不可靠的栖息地中。从科学的角度来看,研究polyembryony提供了对遗传多样性和进化的见解。由于通过这一过程产生的胚胎是基因相同的,它们提供了一个独特的机会来探索环境因素如何影响发育和生存。研究人员可以调查这些相同的生物体如何对不同的刺激作出反应,这可以揭示基因与环境在塑造生物特征中的作用。此外,polyembryony在农业和生物技术领域具有重要意义。通过理解这一现象背后的机制,科学家们可以潜在地操纵植物繁殖过程,以生产出更具韧性和生产力的作物。例如,如果研究人员能够诱导polyembryony在经济重要的植物中发生,可能会导致更高的产量,并在全球人口不断增长的情况下改善粮食安全。除了其实际应用之外,研究polyembryony还引发了关于生物个体性和身份的有趣问题。如果多个生物体源于一个合子,这对我们理解个体意味着什么?这一哲学探讨挑战了我们的认知,并鼓励我们批判性地思考生命的复杂性。总之,polyembryony(多胚性)是一个显著的生物现象,展示了自然界中繁殖策略的多样性。它在动物和植物中的存在突显了生命形式在各种环境中的适应性。随着我们继续研究和理解这一现象,我们为科学、农业以及对生命本身的理解打开了新的可能性。对polyembryony的探索不仅丰富了我们对生物学的知识,也促使我们反思存在和个体性的更深层次问题。