panmictic

简明释义

英[ˌpænˈmɪk.tɪk]美[ˌpænˈmɪk.tɪk]

adj. 随机交配群体的，随机交配的

英英释义

单词用法

同义词

反义词

例句

1.Only the bushmen seem to have missed out on this panmictic party.

只有布须曼人看起来错过了这个通婚的聚会。

2.Only the bushmen seem to have missed out on this panmictic party.

只有布须曼人看起来错过了这个通婚的聚会。

3.In a panmictic population, genetic diversity is maximized due to the free exchange of genes.

在一个泛交配的种群中，由于基因的自由交换，遗传多样性达到最大化。

4.Research on the panmictic nature of certain fish populations provides insights into their evolutionary strategies.

对某些鱼类种群的泛交配特性的研究为它们的进化策略提供了见解。

5.The panmictic structure of the bee colony helps maintain its genetic health.

蜜蜂群体的泛交配结构有助于维持其遗传健康。

6.The population of the species is considered panmictic, meaning there is random mating among individuals.

该物种的种群被认为是泛交配的，意味着个体之间存在随机交配。

7.Understanding whether a species is panmictic or structured can influence conservation efforts.

了解一个物种是泛交配的还是结构化的，可以影响保护工作。

作文

In the study of genetics and population biology, the term panmictic refers to a population in which all individuals are potential partners for mating, leading to random mating. This concept is crucial for understanding the genetic diversity within populations and the mechanisms that drive evolution. When a population is described as panmictic, it implies that there are no restrictions on mating based on geographical, social, or genetic factors. As a result, every individual has an equal chance of reproducing with any other individual in the population. The significance of panmictic populations lies in their ability to maintain genetic variability. In contrast to isolated populations where mating is limited, panmictic populations can exchange genetic material freely. This exchange is vital for the adaptability and resilience of species, especially in changing environments. For example, consider a hypothetical species of fish living in a large lake. If this fish population is panmictic, any fish can mate with any other fish, resulting in a wide range of genetic combinations in the offspring. This genetic diversity enhances the likelihood that some individuals will possess traits that make them better suited to survive in varying conditions, such as changes in temperature or food availability.On the other hand, if the same fish population were to become fragmented due to environmental changes or human activities, it might lead to a situation where the population is no longer panmictic. In such cases, the genetic diversity could diminish over generations, making the population more susceptible to diseases and less adaptable to environmental changes. This phenomenon highlights the importance of maintaining connectivity among populations in conservation efforts. Understanding the implications of panmictic populations also extends to agriculture and animal breeding. Farmers and breeders often aim to create genetically diverse stock to improve yield and resilience against diseases. By ensuring that their breeding practices mimic panmictic conditions, they can promote healthier and more robust crops and livestock. For instance, in crop breeding, introducing genes from different varieties can enhance resistance to pests and improve overall productivity. In conclusion, the concept of panmictic populations is fundamental to the fields of genetics, ecology, and conservation. It underscores the importance of genetic diversity for the survival and adaptability of species. Whether in natural ecosystems or agricultural practices, promoting panmictic conditions can lead to healthier populations and a more resilient environment. As we continue to face challenges such as climate change and habitat destruction, understanding and applying the principles of panmictic populations will be essential for fostering biodiversity and ensuring the sustainability of our natural resources.

在遗传学和种群生物学的研究中，术语panmictic指的是一个种群，其中所有个体都是潜在的配偶，导致随机交配。这个概念对于理解种群内的遗传多样性以及驱动进化的机制至关重要。当一个种群被描述为panmictic时，这意味着在交配上没有地理、社会或遗传因素的限制。因此，每个个体都有平等的机会与种群中的任何其他个体繁殖。panmictic种群的重要性在于它们维持遗传变异的能力。与交配受限的孤立种群相比，panmictic种群可以自由地交换遗传物质。这种交换对于物种的适应性和弹性至关重要，尤其是在变化的环境中。例如，考虑一个假设的鱼类物种生活在一个大湖中。如果这个鱼类种群是panmictic的，任何鱼都可以与任何其他鱼交配，从而在后代中产生广泛的遗传组合。这种遗传多样性增强了某些个体拥有更好适应性特征的可能性，使其能够在温度或食物可用性变化等不同条件下生存。另一方面，如果同样的鱼类种群由于环境变化或人类活动而变得破碎，那么它可能会导致种群不再是panmictic的。在这种情况下，遗传多样性可能在几代人中减少，使种群更容易受到疾病的影响，并且对环境变化的适应能力降低。这一现象突显了在保护工作中保持种群之间连通性的重要性。理解panmictic种群的影响也扩展到农业和动物繁殖。农民和饲养员通常旨在创造遗传多样的种群，以提高产量和抵御疾病的能力。通过确保他们的繁殖实践模拟panmictic条件，他们可以促进更健康、更强壮的作物和牲畜。例如，在作物育种中，引入来自不同品种的基因可以增强对害虫的抵抗力并提高整体生产力。总之，panmictic种群的概念是遗传学、生态学和保护领域的基础。它强调遗传多样性对物种生存和适应性的必要性。无论是在自然生态系统还是农业实践中，促进panmictic条件都能导致更健康的种群和更具弹性的环境。随着我们继续面临气候变化和栖息地破坏等挑战，理解和应用panmictic种群的原则将对促进生物多样性和确保自然资源的可持续性至关重要。