gamete

简明释义

英[ˈɡæmiːt]美[ˈɡæmiːt]

n. [生物] 配子，配偶子

复 数 g a m e t e s

英英释义

单词用法

同义词

反义词

例句

1.The American Society for Reproductive Medicine encourages parents to tell their children about the gamete donation.

美国生殖医学会鼓励父母将配子捐赠告诉孩子。

2.In an era of changing laws about the rights of gamete donors, this opens their relationship to possible intervention by the sperm donor if he decides he wants to play a role in raising the child.

在目前修改了配子捐献者权利的法律这样一个时代，如果他也想参与抚养孩子的话，那么她们的关系就可能受到干扰。

3.Many countries have laws that allow children to know who their gamete donor is.

很多国家的法律允许小孩知道是谁的配子。

4.This is a comprehensive and definitive account of the human male gamete.

这是一个人男性配子的综合和决定性的账户。

5.In an era of changing laws about the rights of gamete donors, this opens their relationship to possible intervention by the sperm donor if he decides he wants to play a role in raising the child.

在目前修改了配子捐献者权利的法律这样一个时代，如果他也想参与抚养孩子的话，那么她们的关系就可能受到干扰。

6.The effect of gamete treatment was similiar to that of zygote treatment.

配子处理消除了嵌合体，其诱变效果与合子处理相近。

7.The male gamete could not unite with the female.

雄配子不能与雌配子结合。

8.In the experiment, the combining-mating screening method in breeding restorer lines of 6311S was designed according to the gamete selection applied in hybrid maize breeding.

借鉴杂交玉米育种中的配子选择法，设计了6311S配套恢复系选育的组合判别法研究。

9.During fertilization, a sperm cell fuses with an egg cell, each contributing a single gamete to form a zygote.

在受精过程中，一个精子细胞与一个卵子细胞融合，各自贡献一个配子以形成合子。

10.In humans, the male gamete is the sperm, while the female gamete is the egg.

在人类中，男性的配子是精子，而女性的配子是卵子。

11.The study of gametes is crucial for understanding reproductive biology and genetics.

对配子的研究对于理解生殖生物学和遗传学至关重要。

12.In many plants, the male gamete is carried by pollen to the female ovule.

在许多植物中，雄性配子通过花粉携带到雌性胚珠。

13.Mutations in the DNA of a gamete can lead to genetic disorders in the offspring.

一个配子中DNA的突变可能导致后代的遗传疾病。

作文

In the study of biology, understanding the concept of a gamete is crucial for grasping how organisms reproduce. A gamete is defined as a reproductive cell that carries half the genetic information necessary for the formation of a new organism. In humans and many other species, there are two types of gametes: sperm and eggs. Sperm are the male gametes, while eggs are the female gametes. This distinction is essential because the fusion of these two types of gametes during fertilization leads to the creation of a zygote, which eventually develops into a new individual. The process of gametogenesis, which includes the formation of gametes, occurs through meiosis. This specialized type of cell division reduces the chromosome number by half, ensuring that when two gametes unite, the resulting offspring has the correct number of chromosomes. For example, humans have 46 chromosomes, and each gamete contains 23. This reduction is vital for maintaining genetic stability across generations. Understanding gametes also sheds light on various reproductive strategies in the animal kingdom. Some species utilize external fertilization, where gametes are released into the environment and fertilization occurs outside the body, as seen in many fish and amphibians. On the other hand, internal fertilization occurs within the female's body, providing a more controlled environment for the development of the embryo. This method is common in mammals, including humans. Moreover, the study of gametes extends beyond simple reproduction. It plays a significant role in genetics and evolutionary biology. The combination of genetic material from two different gametes introduces variation in the offspring, which is a driving force behind evolution. Natural selection acts on this genetic diversity, allowing populations to adapt to changing environments over time. In addition to natural reproduction, advancements in reproductive technologies have brought new dimensions to the understanding of gametes. Techniques such as in vitro fertilization (IVF) rely on the manipulation of gametes to assist couples facing infertility issues. By extracting and combining gametes in a laboratory setting, medical professionals can increase the chances of successful conception. This has opened up discussions about the ethical implications of manipulating gametes and the potential for genetic engineering. In conclusion, the significance of gametes in biology cannot be overstated. They are fundamental to the processes of reproduction, genetic diversity, and evolution. As we continue to explore the complexities of life, the role of gametes will undoubtedly remain a focal point of scientific research and discussion. Understanding gametes not only enhances our knowledge of biology but also informs our perspectives on reproductive health and the future of genetic technologies.

在生物学的研究中，理解“gamete”这一概念对于掌握生物体如何繁殖至关重要。“gamete”被定义为一种生殖细胞，携带形成新生物所需的一半遗传信息。在人类和许多其他物种中，有两种类型的gametes：精子和卵子。精子是男性gametes，而卵子是女性gametes。这种区分至关重要，因为这两种gametes在受精过程中融合，导致一个合子（zygote）的形成，最终发展成一个新的个体。 gametes的形成过程称为配子发生（gametogenesis），包括通过减数分裂（meiosis）形成gametes。这种特殊的细胞分裂方式使染色体数目减少一半，确保当两个gametes结合时，后代具有正确的染色体数目。例如，人类有46条染色体，而每个gamete包含23条。这种减少对维持世代间的遗传稳定性至关重要。 理解gametes也揭示了动物王国中各种繁殖策略的奥秘。一些物种采用外部受精，即gametes释放到环境中，受精发生在体外，这在许多鱼类和两栖动物中很常见。另一方面，内部受精发生在雌性体内，为胚胎的发展提供了更受控制的环境。这种方法在哺乳动物中普遍存在，包括人类。 此外，对gametes的研究超越了简单的繁殖。它在遗传学和进化生物学中起着重要作用。来自两个不同gametes的遗传物质组合为后代引入变异，这是进化的推动力。自然选择作用于这种遗传多样性，使种群能够随着时间的推移适应不断变化的环境。 除了自然繁殖，生殖技术的进步为理解gametes带来了新的维度。体外受精（IVF）等技术依赖于对gametes的操控，以帮助面临不孕症问题的夫妇。通过在实验室环境中提取和组合gametes，医疗专业人员可以提高成功受孕的机会。这引发了关于操控gametes的伦理影响和基因工程潜力的讨论。 总之，gametes在生物学中的重要性不容小觑。它们是繁殖、遗传多样性和进化过程的基础。随着我们继续探索生命的复杂性，gametes的角色无疑将继续成为科学研究和讨论的焦点。理解gametes不仅增强了我们对生物学的知识，还为我们对生殖健康和未来基因技术的看法提供了信息。