heterochromatic

简明释义

英[ˌhetərəʊkrəʊˈmætɪk]美[ˌhetərəkroʊˈmætɪk]

adj. 包含不同颜色的；异色的

英英释义

单词用法

同义词

反义词

例句

1.Meet adorable twin cats Iriss and Abyss from Saint Petersburg who have been fascinating people social media with their beautiful heterochromatic (different coloured) eyes.

来见见这对来自圣彼得堡的双胞胎猫咪艾瑞斯和艾比斯，他们迷人的异色双眼一直以来都在社交媒体上颇受人瞩目。

2.The heterochromatic polymorphism of C-banding patterns in rye and the heterozygosity in wild rye are found in our analysis.

从分析比较中也看出，黑麦c -带带型的异染色质多态性现象明显存在。而野生黑麦的杂合性现象也较明显。

3.He also said that through the miracle of mother nature that the cats were born with blond fur and heterochromatic eyes.

他还说，大自然母亲的奇迹让两只猫咪生来就毛色白皙、眼睛异色。

4.Meet adorable twin cats Iriss and Abyss from Saint Petersburg who have been fascinating people social media with their beautiful heterochromatic (different coloured) eyes.

来见见这对来自圣彼得堡的双胞胎猫咪艾瑞斯和艾比斯，他们迷人的异色双眼一直以来都在社交媒体上颇受人瞩目。

5.In genetics, heterochromatic 异色体 regions are often less active in gene expression.

在遗传学中，异色体区域通常在基因表达中活性较低。

6.The butterfly's wings displayed a heterochromatic 异色的 pattern that helped it blend into its environment.

蝴蝶的翅膀展示了一个异色的图案，帮助它融入环境。

7.Researchers found that heterochromatic 异色的 cells play a crucial role in cellular function.

研究人员发现，异色的细胞在细胞功能中起着关键作用。

8.The scientist studied the effects of light on heterochromatic 异色的 plants to understand their growth patterns.

科学家研究了光对异色的植物的影响，以了解它们的生长模式。

9.The artist used heterochromatic 异色的 colors to create a vibrant and dynamic painting.

艺术家使用了异色的颜色来创作一幅生动而动态的画作。

作文

In the realm of genetics and biology, the term heterochromatic refers to a type of chromatin that is densely packed and transcriptionally inactive. This contrasts with euchromatin, which is less condensed and actively involved in gene expression. Understanding the differences between these two forms of chromatin is crucial for comprehending how genes are regulated within cells. 异染色质作为一种密集的染色质状态，通常在细胞分裂时被观察到，在这种状态下，DNA的特定区域被紧密缠绕，以便于有效的遗传物质分配。 Heterochromatin can be found in various forms throughout the genome, often located near the centromeres and telomeres of chromosomes. Its structure plays a significant role in maintaining chromosome stability and regulating gene expression. The presence of heterochromatic regions can influence the accessibility of certain genes, thus impacting cellular functions and organismal development. For instance, during embryonic development, the regulation of heterochromatic regions can determine cell fate and specialization.Moreover, the study of heterochromatic regions has revealed their involvement in various diseases. Abnormalities in heterochromatin can lead to genomic instability, which is a hallmark of many cancers. Researchers have been investigating how the misregulation of heterochromatic regions can contribute to tumorigenesis. By understanding these mechanisms, scientists hope to develop targeted therapies that can correct the underlying genetic issues associated with cancer.In addition to its implications in health and disease, heterochromatic regions also play a role in evolution. The ability of organisms to adapt to changing environments may be influenced by the regulation of heterochromatic DNA. Evolutionary biologists have suggested that variations in the structure and function of heterochromatic regions can provide insights into evolutionary processes. For example, species that experience rapid environmental changes may exhibit different patterns of heterochromatic regulation, allowing them to adapt more quickly than those with more stable chromatin configurations.In conclusion, the concept of heterochromatic is essential for understanding the complexities of genetics, cellular function, and evolution. Its dense packing and regulatory roles highlight the intricate balance of gene expression necessary for life. As research continues to uncover the mysteries of heterochromatic regions, we gain deeper insights into the fundamental processes that govern biological systems. Whether it is in the context of health, disease, or evolution, the study of heterochromatic DNA remains a vital area of scientific inquiry.

在遗传学和生物学领域，术语异染色质指的是一种密集打包且转录不活跃的染色质。这与较少凝聚并积极参与基因表达的真染色质形成对比。理解这两种染色质形式之间的差异对于理解细胞内基因如何被调控至关重要。异染色质作为一种密集的染色质状态，通常在细胞分裂时被观察到，在这种状态下，DNA的特定区域被紧密缠绕，以便于有效的遗传物质分配。异染色质可以在基因组的不同形式中找到，通常位于染色体的着丝粒和端粒附近。它的结构在维持染色体稳定性和调节基因表达方面发挥了重要作用。异染色质区域的存在可以影响某些基因的可及性，从而影响细胞功能和生物体发育。例如，在胚胎发育过程中，异染色质区域的调控可以决定细胞的命运和特化。此外，异染色质区域的研究揭示了它们在各种疾病中的参与。异染色质的异常可能导致基因组不稳定，这是许多癌症的特征。研究人员一直在调查异染色质区域的误调控如何促进肿瘤发生。通过理解这些机制，科学家希望开发出能够纠正与癌症相关的潜在遗传问题的靶向疗法。除了在健康和疾病中的影响外，异染色质区域还在进化中发挥作用。生物体适应变化环境的能力可能受到异染色质DNA调控的影响。进化生物学家提出，异染色质区域的结构和功能变化可以为了解进化过程提供见解。例如，经历快速环境变化的物种可能会表现出不同的异染色质调控模式，使它们能够比那些具有更稳定染色质配置的物种更快地适应。总之，异染色质的概念对于理解遗传学、细胞功能和进化的复杂性至关重要。它的密集打包和调控角色突显了生命所需的基因表达的微妙平衡。随着研究继续揭示异染色质区域的奥秘，我们对支配生物系统的基本过程有了更深入的了解。无论是在健康、疾病还是进化的背景下，异染色质DNA的研究仍然是科学探究的重要领域。