telocentric

简明释义

英[ˌteləʊˈsentrɪk]美[ˌteləˈsentrɪk]

adj. （染色体）具端着丝粒的

英英释义

单词用法

同义词

反义词

例句

1.Telocentric lenses work with a wide depth of field. with a telocentric lens, you can image objects of different distances from the lens and the objects stay in focus.

具端著丝粒的镜头(注：我猜是类似于针孔镜头吧)具有宽阔之景深，以具端著丝粒的镜头，你能够将由镜头不同距离之目标物成像和保持目标物在焦。

2.Telocentric lenses work with a wide depth of field. with a telocentric lens, you can image objects of different distances from the lens and the objects stay in focus.

具端著丝粒的镜头(注：我猜是类似于针孔镜头吧)具有宽阔之景深，以具端著丝粒的镜头，你能够将由镜头不同距离之目标物成像和保持目标物在焦。

3.The study focused on the effects of telocentric 端粒中心型 chromosomes in cell division.

这项研究集中在细胞分裂中端粒中心型染色体的影响。

4.The genetic mapping revealed a high number of telocentric 端粒中心型 chromosomes.

基因图谱显示出大量的端粒中心型染色体。

5.The laboratory focused on the implications of telocentric 端粒中心型 chromosomes in genetic disorders.

实验室专注于端粒中心型染色体在遗传疾病中的影响。

6.Researchers found that telocentric 端粒中心型 chromosomes are prevalent in certain species of plants.

研究人员发现某些植物物种中普遍存在端粒中心型染色体。

7.In animal genetics, telocentric 端粒中心型 chromosomes can indicate evolutionary adaptations.

在动物遗传学中，端粒中心型染色体可以指示进化适应性。

作文

In the realm of genetics and cytogenetics, the term telocentric refers to a specific type of chromosome structure. Chromosomes are the carriers of genetic information, and their shape can vary significantly among different organisms. A telocentric chromosome is characterized by having its centromere located at one end, which results in one arm being significantly longer than the other. This unique configuration has implications for how chromosomes behave during cell division and can influence genetic inheritance patterns.The understanding of telocentric chromosomes is crucial in various fields, including evolutionary biology and medicine. For instance, many species of rodents possess telocentric chromosomes. Studying these organisms can provide insights into evolutionary processes and how different chromosome structures can arise from common ancestors. Furthermore, the presence of telocentric chromosomes in certain species can be an indicator of their evolutionary adaptations to specific environments.In human genetics, while most chromosomes are metacentric or submetacentric, there are instances where telocentric chromosomes can play a role, particularly in understanding chromosomal abnormalities. For example, if a telocentric chromosome is involved in a translocation event, it could lead to genetic disorders or contribute to the development of certain cancers. Therefore, identifying and categorizing chromosomes as telocentric or otherwise is essential for genetic counseling and diagnosis.Moreover, the study of telocentric chromosomes extends beyond basic research; it has practical applications in agriculture and biotechnology. Geneticists often manipulate chromosome structures to enhance desirable traits in crops. Understanding the telocentric nature of certain chromosomes can aid in the development of genetically modified organisms (GMOs) that are more resistant to diseases or have improved nutritional profiles.In conclusion, the concept of telocentric chromosomes is a fascinating aspect of genetics that highlights the diversity of chromosome structures across different species. The implications of this structure are far-reaching, affecting everything from evolutionary studies to medical diagnostics and agricultural advancements. As research continues to evolve, the significance of telocentric chromosomes will undoubtedly become more pronounced, providing deeper insights into the complexities of life at the cellular level.

在遗传学和细胞遗传学领域，术语telocentric指的是一种特定类型的染色体结构。染色体是遗传信息的载体，它们的形状在不同生物之间可能有显著差异。telocentric染色体的特点是其着丝粒位于一端，这导致一条臂显著长于另一条。这种独特的配置对染色体在细胞分裂过程中的行为有影响，并且可以影响遗传继承模式。理解telocentric染色体在多个领域至关重要，包括进化生物学和医学。例如，许多啮齿动物物种具有telocentric染色体。研究这些生物可以提供对进化过程的洞察，以及不同染色体结构如何从共同祖先中产生。此外，某些物种中telocentric染色体的存在可能是它们对特定环境进化适应的指标。在人类遗传学中，虽然大多数染色体是中期或亚中期，但在了解染色体异常时，telocentric染色体可能会发挥作用。例如，如果一个telocentric染色体参与了转位事件，它可能导致遗传疾病或促进某些癌症的发展。因此，识别和分类染色体为telocentric或其他类型对于遗传咨询和诊断至关重要。此外，对telocentric染色体的研究超越了基础研究；它在农业和生物技术中也有实际应用。遗传学家经常操纵染色体结构以增强作物的理想特性。了解某些染色体的telocentric特性可以帮助开发更抗病或营养成分改善的转基因生物（GMO）。总之，telocentric染色体的概念是遗传学中一个引人入胜的方面，突显了不同物种间染色体结构的多样性。这一结构的影响范围广泛，从进化研究到医学诊断和农业进步都受到影响。随着研究的不断发展，telocentric染色体的重要性无疑将变得更加明显，为我们提供对生命复杂性的更深刻见解。