meiotic

简明释义

英[maɪˈɒtɪk]美[maɪˈɑːtɪk]

减数分裂

减数分裂的

英英释义

单词用法

同义词

反义词

例句

1.Some results as follows, 1. Chromosome preparation for laser micro-dissection system was solved, which indicated that laser micro-dissection of PMCs meiotic chromosomes in Populus was feasible.

解决了激光显微分离系统染色体样本制备的难题，使杨树花粉母细胞减数分裂染色体激光显微分离成为可能。

2.In this paper, the progresses of research on the natural and artificial parthenogenesis, ameiotic and meiotic parthenogenesis of the silkworm(Bombyx mori) were described in brief.

本文对桑蚕的自然单性生殖、人工单性生殖、减数分裂和非减数分裂的单性生殖发育等研究进展进行了简要地阐述；

3.Specifically, researchers found that TEX11 forms discrete foci on meiotic chromosomes and appears to be a novel constituent of the meiotic recombination machinery.

特别地，研究人员发现TEX11可以在减数分裂的染色体上形成分离中心（discrete foci），这似乎是一种新的减数分裂重组机制的一部分。

4.Objective To study the effect of maternal age on meiotic spindle and chromosome configuration of oocytes.

目的探讨女性年龄对卵母细胞纺锤体和染色体构型的影响。

5.Objective: This study is designed to find an effective method of observing the morphology of meiotic spindle and chromosome in mature oocytes, taking the mouse as a model.

前言：目的以小鼠为研究模型，探索观察成熟卵母细胞纺缍体和染色体的方法。

6.Some results as follows, 1. Chromosome preparation for laser micro-dissection system was solved, which indicated that laser micro-dissection of PMCs meiotic chromosomes in Populus was feasible.

解决了激光显微分离系统染色体样本制备的难题，使杨树花粉母细胞减数分裂染色体激光显微分离成为可能。

7.Results: The configurations of meiotic spindle chromosome can be observed clearly by LSCM.

结果应用LSCM清晰地观察到了卵母细胞纺缍体和染色体的形态。

8.The result showed that chromosomes of most pollen mother cells behaved normaly during the meiotic divisions.

为获得清晰的染色体图像，对柑橘的体细胞染色体和花粉母细胞染色体制片方法进行了研究。

9.The meiotic 减数分裂 process is essential for sexual reproduction in eukaryotes.

对于真核生物来说，meiotic 减数分裂过程对有性繁殖至关重要。

10.Research on meiotic 减数分裂 helps scientists understand fertility and infertility issues.

对meiotic 减数分裂的研究帮助科学家理解生育和不孕不育问题。

11.The study of meiotic 减数分裂 is crucial for advancing agricultural biotechnology.

对meiotic 减数分裂的研究对推动农业生物技术至关重要。

12.During the process of gametogenesis, cells undergo meiotic 减数分裂 division to produce haploid gametes.

在配子发生过程中，细胞经历meiotic 减数分裂以产生单倍体配子。

13.Errors in meiotic 减数分裂 can lead to genetic disorders such as Down syndrome.

在meiotic 减数分裂中出现错误可能导致如唐氏综合症等遗传疾病。

作文

Meiosis is a fundamental biological process that occurs in sexually reproducing organisms. It is a type of cell division that reduces the chromosome number by half, resulting in the formation of gametes, which are sperm and egg cells. The term meiotic (减数分裂的) refers to anything related to this specific type of cell division. Understanding the meiotic (减数分裂的) process is crucial for grasping how genetic diversity is achieved in populations. During meiotic (减数分裂的) division, a single diploid cell undergoes two rounds of division, known as meiosis I and meiosis II. In meiosis I, homologous chromosomes are separated into different cells, while in meiosis II, sister chromatids are separated. This unique division process leads to four haploid cells, each with half the number of chromosomes of the original cell. The significance of meiotic (减数分裂的) division cannot be overstated. It ensures that offspring inherit a combination of genes from both parents, contributing to genetic variation. This variation is essential for the process of natural selection, as it allows populations to adapt to changing environments. For instance, in a population of plants, some individuals may have traits that make them more resistant to drought. If these traits are passed down through meiotic (减数分裂的) reproduction, the next generation may be better equipped to survive in arid conditions. Moreover, errors during the meiotic (减数分裂的) process can lead to genetic disorders. For example, nondisjunction, which is the failure of homologous chromosomes to separate properly, can result in conditions such as Down syndrome, where individuals have an extra copy of chromosome 21. Understanding the meiotic (减数分裂的) process is vital for genetic counseling and for developing treatments for such disorders. In addition to its role in sexual reproduction, meiotic (减数分裂的) processes are also studied in various fields of research, including agriculture and medicine. Scientists are exploring ways to manipulate meiotic (减数分裂的) pathways to enhance crop yields or develop new medical therapies. By understanding how meiotic (减数分裂的) division works at a molecular level, researchers can potentially create genetically modified organisms that are more resilient to diseases or environmental stresses. In conclusion, the concept of meiotic (减数分裂的) division is central to the study of genetics and evolution. It plays a critical role in ensuring genetic diversity, which is essential for the survival of species. As we continue to learn more about this intricate process, we can apply that knowledge to improve health outcomes and agricultural practices. The implications of meiotic (减数分裂的) research are vast, making it a significant area of study in both biology and biotechnology.

减数分裂是发生在有性生殖生物中的一种基本生物过程。这是一种细胞分裂类型，通过将染色体数量减少一半，形成配子，即精子和卵子。术语meiotic（减数分裂的）指与这种特定类型的细胞分裂相关的任何事物。理解meiotic（减数分裂的）过程对于掌握如何在种群中实现遗传多样性至关重要。在meiotic（减数分裂的）分裂过程中，一个二倍体细胞经历两轮分裂，称为减数分裂I和减数分裂II。在减数分裂I中，同源染色体被分离到不同的细胞中，而在减数分裂II中，姐妹染色单体被分开。这个独特的分裂过程导致四个单倍体细胞的形成，每个细胞的染色体数量是原始细胞的一半。meiotic（减数分裂的）分裂的重要性不容小觑。它确保后代从两个父母那里继承基因组合，从而促进遗传变异。这种变异对自然选择过程至关重要，因为它使种群能够适应不断变化的环境。例如，在一个植物种群中，一些个体可能具有使其更能抵御干旱的特征。如果这些特征通过meiotic（减数分裂的）繁殖传递下来，下一代可能更能在干旱条件下生存。此外，meiotic（减数分裂的）过程中的错误可能导致遗传疾病。例如，非分离现象，即同源染色体未能正确分离，可能导致唐氏综合症等疾病，其中个体有多余的21号染色体。理解meiotic（减数分裂的）过程对于遗传咨询和开发此类疾病的治疗方法至关重要。除了在有性生殖中的作用外，meiotic（减数分裂的）过程还在农业和医学等多个研究领域得到研究。科学家们正在探索操纵meiotic（减数分裂的）途径以提高作物产量或开发新的医疗疗法的方法。通过理解meiotic（减数分裂的）分裂在分子水平上的工作方式，研究人员可以潜在地创造出对疾病或环境压力更具抵抗力的转基因生物。总之，meiotic（减数分裂的）分裂概念是遗传学和进化研究的核心。它在确保遗传多样性方面发挥着关键作用，而遗传多样性对于物种的生存至关重要。随着我们继续深入了解这一复杂过程，我们可以将这些知识应用于改善健康结果和农业实践。meiotic（减数分裂的）研究的影响广泛，使其成为生物学和生物技术领域的重要研究方向。