homologous
简明释义
英[həˈmɒləɡəs]美[hoʊˈmɑːləɡəsˌhəˈmɑːləɡəs]
adj. 相应的;[生物] 同源的;类似的;一致的
英英释义
具有相同的关系、相对位置或结构。 | |
In biology, referring to organs or parts that share a common ancestry. | 在生物学中,指具有共同祖先的器官或部分。 |
单词用法
同源重组 | |
同源染色体 |
同义词
相似的 | 这两个物种具有相似的结构。 | ||
类似的 | 鸟类和蝙蝠的翅膀在功能上是类似的。 | ||
对应的 | The corresponding parts of the two organisms show homologous features. | 这两种生物的对应部分显示出同源特征。 | |
可比较的 | 这两个系统在效率上是可比较的。 |
反义词
异源的 | Heterologous structures can perform different functions in different organisms. | 异源结构在不同生物中可以执行不同的功能。 | |
非同源的 | 非同源重组可以导致遗传多样性。 |
例句
1.This article expatiates the problem for facing and homologous solutions in the management of accountant information quality.
本文阐述会计信息质量管理所面临的问题及相应的解决办法。
2.Virtual realistic technique, main for the calculator technique and other engineering techniques (homologous hardware).
虚拟现实技术,主要为计算机技术和其他工程技术(相应的硬件)。
3.Objective To construct recombinant adenovirus by homologous recombination in bacteria.
目的通过细菌内同源重组方法构建重组腺病毒。
4.Therefore, Chinese medicine is a 'drug homologous food', this is the meals are learning the truth.
所以中医是‘药食同源’,这就是饭菜皆学问的道理。
5.Genetics used of a chromosome that is not paired or united with its homologous chromosome during synapsis .
属于一种染色体的,在染色体结合过程中不与它的对等染色体配对或结合的。
6.Homologous conjunctiva and limbus transplantation for ocular chemical burn.
眼化学伤异体结膜联合角膜缘部移植术。
7.The two species have homologous 同源的 structures that suggest a common ancestor.
这两种物种具有同源的结构,表明它们有一个共同的祖先。
8.In genetics, genes that are homologous 同源的 can be traced back to a single ancestral gene.
在遗传学中,同源的基因可以追溯到一个单一的祖先基因。
9.The homologous 同源的 chromosomes pair up during meiosis.
在减数分裂过程中,同源的染色体配对。
10.Scientists study homologous 同源的 proteins to understand evolutionary relationships.
科学家研究同源的蛋白质,以理解进化关系。
11.The homologous 同源的 features in the forelimbs of mammals illustrate adaptive evolution.
哺乳动物前肢中的同源的特征展示了适应性进化。
作文
In the study of biology, the concept of homologous structures plays a crucial role in understanding the evolutionary relationships between different species. When we refer to structures as homologous, we are indicating that they share a common ancestry, even if their functions may differ significantly. This idea is fundamental in the field of comparative anatomy, where scientists analyze the similarities and differences in the physical forms of organisms to trace their evolutionary history. For instance, consider the forelimbs of various animals such as humans, whales, and bats. Although these limbs serve different purposes—grasping, swimming, and flying respectively—they exhibit a similar underlying bone structure. The presence of homologous bones, like the humerus, radius, and ulna, indicates that these species evolved from a common ancestor that possessed a similar limb structure. This fascinating aspect of biology not only illustrates the diversity of life but also highlights the unity of form and function across different species. Moreover, the identification of homologous structures extends beyond physical anatomy. In genetics, researchers often identify homologous genes that are shared among different organisms. These genes may perform similar functions or be involved in similar biological processes despite being present in vastly different species. For instance, the gene responsible for eye development in fruit flies has a homologous counterpart in humans, demonstrating how certain genetic traits have been conserved throughout evolution. This conservation of genetic material further supports the theory of common descent, suggesting that all living organisms are interconnected through a vast web of evolutionary history. The implications of recognizing homologous structures and genes are profound. They provide evidence for the process of evolution and help scientists understand how species adapt to their environments over time. By studying homologous traits, biologists can infer how certain characteristics may have evolved in response to specific ecological pressures. This understanding can lead to insights into how current species might respond to future environmental changes, which is increasingly important in our rapidly changing world. In addition to its applications in evolutionary biology, the concept of homologous structures has practical implications in fields such as medicine and conservation. For example, recognizing homologous traits can assist in identifying potential targets for medical research, as certain genes or proteins may be conserved across species and could be involved in similar diseases. Furthermore, conservation efforts can benefit from understanding the homologous relationships between species, as it can help prioritize which species to protect based on their evolutionary significance. In conclusion, the term homologous is central to our understanding of biology and evolution. It encapsulates the idea that despite the vast diversity of life forms on Earth, there exists a fundamental unity that can be traced back to common ancestors. By studying homologous structures and genes, we gain valuable insights into the mechanisms of evolution, the interconnectedness of life, and the potential for future discoveries in science. Ultimately, the concept of homologous relationships enriches our appreciation for the complexity and beauty of the natural world, reminding us that we are all part of a larger evolutionary story.
在生物学研究中,同源的结构概念在理解不同物种之间的进化关系中发挥着至关重要的作用。当我们提到结构为同源的时,我们指的是它们共享共同的祖先,即使它们的功能可能有显著差异。这一思想在比较解剖学领域是基础,科学家分析生物体的形态相似性和差异性,以追溯它们的进化历史。 例如,考虑人类、鲸鱼和蝙蝠的前肢。尽管这些肢体的用途不同——抓握、游泳和飞行——但它们表现出相似的骨骼结构。存在同源的骨骼,如肱骨、桡骨和尺骨,表明这些物种是从一个拥有类似肢体结构的共同祖先进化而来的。这一生物学的迷人方面不仅说明了生命的多样性,还突显了不同物种之间形式与功能的统一。 此外,识别同源的结构不仅限于物理解剖学。在遗传学中,研究人员经常识别不同生物体之间共享的同源的基因。这些基因可能执行相似的功能或参与相似的生物过程,尽管它们存在于截然不同的物种中。例如,负责果蝇眼睛发育的基因在人体中也有同源的对应物,表明某些遗传特征在进化过程中得到了保留。这种遗传物质的保守进一步支持了共同起源理论,表明所有生物都是通过广泛的进化历史相互联系的。 认识到同源的结构和基因的含义是深远的。它们为进化过程提供了证据,并帮助科学家理解物种如何随着时间的推移适应其环境。通过研究同源的特征,生物学家可以推断出某些特征如何可能是对特定生态压力的进化响应。这种理解可以为我们提供洞察,了解当前物种如何可能应对未来的环境变化,这在我们快速变化的世界中变得越来越重要。 除了在进化生物学中的应用,同源的结构概念在医学和保护等领域也具有实际意义。例如,识别同源的特征可以帮助确定医学研究的潜在目标,因为某些基因或蛋白质可能在物种之间是保守的,并可能参与类似的疾病。此外,保护工作可以通过理解物种之间的同源的关系受益,因为这可以帮助优先考虑哪些物种应当保护,基于它们的进化重要性。 总之,术语同源的在我们对生物学和进化的理解中是核心的。它概括了一个思想,即尽管地球上生命形式的多样性巨大,但存在一种基本的统一性,可以追溯到共同的祖先。通过研究同源的结构和基因,我们获得了关于进化机制、生命的相互联系以及未来科学发现潜力的宝贵见解。最终,同源的关系概念丰富了我们对自然界复杂性和美的欣赏,提醒我们我们都是更大进化故事的一部分。
文章标题:homologous的意思是什么
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