parthenogenetic

简明释义

英[ˌpɑːθənəʊdʒəˈnetɪk]美[ˌpɑːrθənoʊdʒəˈnetɪk]

adj. [胚] 孤雌生殖的；[植] 单性生殖的

英英释义

单词用法

同义词

反义词

例句

1.No definition of terminologies: parthenogenetic reproduction technique, gene modification technique.

对重要术语没有定义：如单性生殖技术、基因修饰技术等。

2.An immune algorithm based on parthenogenetic operators is proposed for solving the model.

构造出一种基于单亲遗传算子的免疫算法用于求解此模型。

3.In this paper, we propose a hybrid parthenogenetic algorithm approach to solve a general resources constrained and shortest time optimization problem.

针对资源有限最短时间的一类资源-时间优化问题，提出了混合单亲遗传算法进行求解。

4.Effect of supplementation of different epidermal growth factor (EGF) concentrations during porcine oocyte in vitro maturation on further development after parthenogenetic activation.

猪孤雌胚体外培养部分研究了胚胎培养液体积对猪早期孤雌激活胚发育的影响。

5.Mice morula rate of parthenogenetic embryos in ethanol plus feeder cells group was highest 80.38%;

小鼠孤雌胚的桑椹胚率乙醇加饲养层组最高80.38 %；

6.Aphids are small sap-sucking insects whose parthenogenetic reproduction and short generation time allow them to increase population size rapidly.

蚜虫是一类刺吸式口器的小型昆虫，孤雌生殖、世代周期极短、繁殖率高，这使得蚜虫种群增长迅速。

7.Based on the least delivery cost, a logistics delivery model was created. An efficient hybrid parthenogenetic algorithm was proposed.

建立了一个基于最小费用的物流配送模型，并提出了一个高效的混合单亲遗传算法。

8.We can not forget the scars of the parthenogenetic gall heroes, but also can not forget that when he lost touch of deep eyes.

我们无法忘记这个伤痕累累的孤胆英雄，更无法忘记他输球时的那一抹深邃的眼神。

9.Effect of supplementation of different epidermal growth factor (EGF) concentrations during porcine oocyte in vitro maturation on further development after parthenogenetic activation.

猪孤雌胚体外培养部分研究了胚胎培养液体积对猪早期孤雌激活胚发育的影响。

10.Some species of lizards are known to reproduce through parthenogenetic 孤雌生殖的 means, allowing them to thrive in isolated environments.

一些蜥蜴物种以孤雌生殖的方式繁殖，使它们能够在孤立的环境中生存。

11.The phenomenon of parthenogenetic 孤雌生殖的 reproduction can be observed in certain types of insects, such as aphids.

某些类型的昆虫，如蚜虫，可以观察到孤雌生殖的现象。

12.Researchers are studying parthenogenetic 孤雌生殖的 mechanisms to understand how some organisms can reproduce without males.

研究人员正在研究孤雌生殖的机制，以了解一些生物如何在没有雄性的情况下繁殖。

13.In some fish species, parthenogenetic 孤雌生殖的 reproduction allows for rapid population growth in favorable conditions.

在某些鱼类物种中，孤雌生殖的繁殖使得在有利条件下迅速增长种群。

14.The study of parthenogenetic 孤雌生殖的 animals can provide insights into evolutionary biology and genetics.

对孤雌生殖的动物的研究可以为进化生物学和遗传学提供见解。

作文

Parthenogenesis is a fascinating reproductive strategy that occurs in some species of plants and animals, where offspring are produced from unfertilized eggs. This process is known as parthenogenetic (孤雌生殖), and it has intrigued scientists for many years due to its unique approach to reproduction. In contrast to sexual reproduction, which involves the fusion of male and female gametes, parthenogenetic reproduction allows for the development of new individuals without the need for a mate. This can be particularly advantageous in environments where mates are scarce or conditions are unfavorable for traditional reproduction. One of the most well-known examples of parthenogenetic organisms is the Komodo dragon. Female Komodo dragons can reproduce without mating, producing viable offspring through this method. This ability not only ensures the survival of the species in isolated habitats but also demonstrates the incredible adaptability of life on Earth. Other species that exhibit parthenogenetic reproduction include certain types of lizards, insects, and even some plants, showcasing the diversity of life forms that have evolved this strategy. The genetic implications of parthenogenetic reproduction are also noteworthy. Since the offspring are produced from a single parent, they are essentially clones of that parent, leading to a lack of genetic variation. While this can be beneficial in stable environments, it may pose risks in changing conditions where adaptability is crucial. The absence of genetic diversity can make populations more susceptible to diseases and environmental changes. Therefore, while parthenogenetic reproduction offers immediate benefits, it also presents long-term challenges for the survival of the species. In addition to its biological significance, parthenogenetic reproduction raises intriguing questions about evolution and the nature of species. For instance, how does this mode of reproduction influence the evolutionary trajectory of a species? Can parthenogenetic organisms adapt to new environments as effectively as sexually reproducing species? These questions continue to be subjects of research and debate among biologists and evolutionary theorists. Moreover, understanding parthenogenetic reproduction can have practical applications in fields such as agriculture and conservation. For example, scientists are exploring ways to utilize parthenogenetic techniques in crop production, potentially leading to more efficient farming practices. Similarly, in conservation efforts, parthenogenetic reproduction could provide a means to help endangered species recover by increasing their population numbers without the immediate need for mates. In conclusion, parthenogenetic reproduction is a remarkable phenomenon that highlights the diversity of reproductive strategies in the natural world. By allowing organisms to reproduce without fertilization, this method ensures the continuation of certain species in challenging environments. However, it also poses questions about genetic diversity and adaptability. As research continues, the implications of parthenogenetic reproduction will likely become increasingly significant in our understanding of biology and ecology. Through examining these unique reproductive strategies, we gain insights not only into the mechanisms of life but also into the resilience and adaptability of living organisms in an ever-changing world.

孤雌生殖是一种迷人的繁殖策略，发生在某些植物和动物物种中，后代是由未受精卵产生的。这一过程被称为parthenogenetic（孤雌生殖），多年来一直吸引着科学家的研究，因为它独特的繁殖方式。与涉及雄性和雌性配子融合的有性繁殖相比，parthenogenetic繁殖允许在没有伴侣的情况下发展出新的个体。这在伴侣稀缺或条件不利于传统繁殖的环境中尤其具有优势。 科莫多龙是最著名的parthenogenetic生物之一。雌性科莫多龙可以在不交配的情况下繁殖，通过这种方式产生可育的后代。这种能力不仅确保了物种在孤立栖息地中的生存，而且展示了地球生命的惊人适应性。其他表现出parthenogenetic繁殖的物种包括某些类型的蜥蜴、昆虫甚至一些植物，展示了进化出这一策略的生命形式的多样性。 parthenogenetic繁殖的遗传学影响同样值得注意。由于后代是由单一亲本产生的，它们本质上是该亲本的克隆，导致遗传变异的缺乏。虽然这在稳定环境中可能是有利的，但在变化的条件下，适应能力至关重要，这可能会带来风险。遗传多样性的缺失可能使种群更容易受到疾病和环境变化的影响。因此，尽管parthenogenetic繁殖提供了直接的好处，但它也给物种的生存带来了长期挑战。 除了生物学意义外，parthenogenetic繁殖还引发了有关进化和物种性质的有趣问题。例如，这种繁殖方式如何影响物种的进化轨迹？parthenogenetic生物能否像有性繁殖物种一样有效地适应新环境？这些问题仍然是生物学家和进化理论家研究和辩论的主题。 此外，理解parthenogenetic繁殖在农业和保护等领域也可能具有实际应用。例如，科学家正在探索利用parthenogenetic技术进行作物生产的方式，可能导致更高效的农业实践。同样，在保护工作中，parthenogenetic繁殖可以提供一种帮助濒危物种恢复的方法，通过增加它们的种群数量而无需立即寻找伴侣。 总之，parthenogenetic繁殖是一种显著的现象，突显了自然界中繁殖策略的多样性。通过允许生物在不受精的情况下繁殖，这种方法确保了某些物种在挑战性环境中的延续。然而，它也提出了关于遗传多样性和适应能力的问题。随着研究的继续，parthenogenetic繁殖的影响在我们对生物学和生态学的理解中可能变得越来越重要。通过研究这些独特的繁殖策略，我们不仅获得了对生命机制的洞察，还了解了生物在不断变化的世界中的韧性和适应能力。