meiotically

简明释义

英[miˈɒtɪkli]美[miˈɒtɪkli]

成熟分裂

减数分裂

英英释义

单词用法

同义词

反义词

例句

1.It can help establish meiotically heritable expression states.

它可以帮助建立减数细胞分裂遗传的表达状态。

2.It can help establish meiotically heritable expression states.

它可以帮助建立减数细胞分裂遗传的表达状态。

3.During the formation of gametes, the cells divide meiotically, resulting in four genetically diverse cells.

在配子形成过程中，细胞以减数分裂的方式分裂，产生四个遗传多样的细胞。

4.In plants, spores are produced meiotically to ensure genetic variation in the next generation.

在植物中，孢子通过减数分裂产生，以确保下一代的遗传变异。

5.In animals, the process of forming sperm and eggs occurs meioticallly to produce haploid cells.

在动物中，形成精子和卵子的过程以减数分裂的方式进行，以产生单倍体细胞。

6.Understanding how DNA is replicated meioticallly is crucial for advancements in genetic engineering.

理解DNA是如何以减数分裂的方式复制的，对于基因工程的进步至关重要。

7.The study showed that certain bacteria can reproduce meiotically under specific environmental conditions.

研究表明，某些细菌在特定环境条件下可以以减数分裂的方式繁殖。

作文

In the fascinating world of biology, one of the most intriguing processes is meiosis. This process is essential for sexual reproduction and contributes to genetic diversity within populations. During meiosis, a single cell divides to produce four genetically distinct gametes, which are crucial for the formation of offspring. The term meiotically refers to the specific way in which these cells undergo division, resulting in half the number of chromosomes compared to the original cell. This reduction is vital because it ensures that when two gametes fuse during fertilization, the resulting zygote has the correct diploid number of chromosomes.Meiosis consists of two main stages: meiosis I and meiosis II. In meiosis I, homologous chromosomes pair up and exchange genetic material through a process called crossing over. This exchange of DNA occurs during prophase I and is significant because it increases genetic variation among the gametes produced. Each gamete will carry a unique combination of genes, which is why siblings can look different from one another despite having the same parents. The second stage, meiosis II, is similar to mitosis, where the sister chromatids are separated, ultimately leading to the formation of four haploid cells.Understanding how cells divide meiotically is crucial for comprehending various biological concepts, including inheritance, evolution, and even the development of certain diseases. For instance, errors during meiosis can lead to conditions such as Down syndrome, which results from an extra copy of chromosome 21 due to nondisjunction during meiosis. This highlights the importance of precise cellular division and the potential consequences of its failure.Moreover, the study of meiosis and its meiotically driven processes has implications beyond human health. In agriculture, for example, understanding how plants reproduce meiotically allows scientists to develop new crop varieties with desirable traits, such as increased yield or resistance to pests. By manipulating the meiotic process, researchers can create hybrids that combine the best characteristics of different plant species.In conclusion, the concept of meiotically is fundamental to the field of genetics and biology. It not only explains how organisms reproduce but also sheds light on the mechanisms that contribute to genetic diversity. As we continue to explore the intricacies of meiosis, we gain valuable insights into the very fabric of life itself. Whether in the context of human health, agriculture, or evolutionary biology, the significance of meiotically driven processes cannot be overstated. Understanding these principles is essential for anyone interested in the biological sciences, as they form the foundation for much of what we know about heredity and the continuity of life.

在生物学的迷人世界中，最引人入胜的过程之一是减数分裂。这个过程对性繁殖至关重要，并有助于种群内的遗传多样性。在减数分裂过程中，一个细胞分裂产生四个遗传上不同的配子，这些配子对后代的形成至关重要。术语meiotically指的是这些细胞以特定方式进行分裂，从而导致与原始细胞相比的染色体数量减半。这一减少是至关重要的，因为它确保当两个配子在受精时融合时，所产生的合子具有正确的二倍体染色体数量。减数分裂由两个主要阶段组成：减数分裂I和减数分裂II。在减数分裂I中，同源染色体配对并通过称为交叉互换的过程交换遗传物质。这种DNA的交换发生在减数分裂前期I，是重要的，因为它增加了所产生的配子的遗传变异性。每个配子将携带独特的基因组合，这就是为什么兄弟姐妹尽管有相同的父母，却可能看起来不同。第二阶段，减数分裂II，类似于有丝分裂，其中姐妹染色单体被分离，最终形成四个单倍体细胞。理解细胞如何meiotically分裂对于理解各种生物学概念至关重要，包括遗传、进化甚至某些疾病的发展。例如，减数分裂过程中出现的错误可能导致唐氏综合症等疾病，该病是由于减数分裂期间同源染色体不分离而导致的第21号染色体的额外副本。这突显了精确细胞分裂的重要性及其失败的潜在后果。此外，对减数分裂及其meiotically驱动过程的研究超越了人类健康的范畴。在农业中，例如，理解植物如何meiotically繁殖使科学家能够开发出具有理想特性的新品种作物，如产量增加或抗虫害。通过操纵减数分裂过程，研究人员可以创造出结合不同植物物种最佳特征的杂交品种。总之，meiotically的概念是遗传学和生物学领域的基础。它不仅解释了生物体如何繁殖，还阐明了促进遗传多样性的机制。随着我们继续探索减数分裂的复杂性，我们获得了对生命本质的宝贵见解。无论是在人体健康、农业还是进化生物学的背景下，meiotically驱动过程的重要性都不容小觑。理解这些原则对于任何对生物科学感兴趣的人来说都是必不可少的，因为它们构成了我们对遗传和生命延续的许多知识的基础。