polygenetic

简明释义

英[ˌpɒlɪdʒɪˈnetɪk]美[ˌpɑlidʒəˈnetɪk]

adj. [染料] 多色的；多成因的；多时代的

英英释义

单词用法

同义词

反义词

例句

1.Human essential hypertension is a complex polygenetic disorder which is thought to be determined by complex interactions between genetic predisposition and environmental factors.

原发性高血压是一种遗传素质与环境因素相互作用所导致的多基因遗传性疾病。

2.It is similar to the Jinding Pb-Zn deposit in metallogenetic mechanism, belonging to the polygenetic bedded polymetallic deposit with hot brine as the principal metallogenetic factor.

在成矿机制上与金顶铅锌矿床相似，属以热卤水成矿为主的多成因的层状多金属矿床。

3.The stratabound gold-bearing quartz vein ore deposits in South China possess the characteristics of polygenetic compound ore deposits.

我国南方层控型含金石英脉矿床具有多因复成矿床的特点。

4.Bring forward and dissertate the approach of deposit or ore body prospecting by the Numbers, and points out a new view that the genesis of Lamasu copper deposit as a polygenetic compound deposit.

系统地提出和论述了矿床(体)定位预测的思路与途径，提出喇嘛苏铜矿床为多因复成成因的新观点。

5.Water flow on slope makes the soil depth uneven at different places, forms the polygenetic soil profiles, and exposes the buried soils by erosion.

坡面水流使坡地土壤厚薄不均，或形成异源剖面，并可使埋藏土壤因冲刷而出露。

6.Therefore, they are of polygenetic compound.

因此，它们是多因复成的。

7.The another outstanding contribution of diwa theory to metallogeny is the concept of polygenetic metallogeny and polygenetic compound ore deposits.

地洼学说对成矿学的又一突击贡献，是提出多因复成成矿论及多因复成矿床。

8.Conclusion the results suggest that psoriasis follows a pattern of polygenetic or multifactorial inheritance rather than single-gene inheritance.

结论遗传分析提示寻常型银屑病不符合单基因遗传，而属于多基因遗传模式或多因子遗传模式。

9.The study of human height is often considered a classic example of a polygenetic 多基因的 trait.

人类身高的研究通常被视为一个经典的多基因的特征的例子。

10.In agriculture, polygenetic 多基因的 traits are often selected for improving crop yields.

在农业中，通常选择多基因的特征以提高作物产量。

11.The concept of polygenetic 多基因的 traits helps explain the diversity seen in plant species.

“多基因的”特征的概念有助于解释植物物种中看到的多样性。

12.Certain skin colors in humans are influenced by polygenetic 多基因的 inheritance patterns.

人类某些肤色受到多基因的遗传模式的影响。

13.Research indicates that intelligence is a polygenetic 多基因的 characteristic influenced by multiple genes.

研究表明，智力是一个受多个基因影响的多基因的特征。

作文

The concept of heredity has fascinated scientists for centuries, and one of the most intriguing aspects of this field is the role of genetics in shaping the traits of living organisms. Among the various genetic theories, the idea of polygenetic inheritance stands out as a complex yet essential mechanism that explains how multiple genes contribute to a single trait. This phenomenon can be observed in many characteristics, such as height, skin color, and even intelligence. Understanding polygenetic traits offers insight into the intricate web of genetics that governs our biological makeup.To begin with, it is important to define what polygenetic means. The term refers to traits that are influenced by more than one gene, as opposed to monogenic traits, which are determined by a single gene. For instance, human height is not dictated by just one gene; rather, it results from the cumulative effects of numerous genes working together. Each of these genes contributes a small amount to the overall phenotype, resulting in a continuous range of variation within the population.One of the most significant implications of polygenetic inheritance is its impact on the study of evolution and natural selection. Traits that are governed by multiple genes tend to exhibit a greater degree of variability, allowing populations to adapt more readily to changing environments. This adaptability is crucial for survival, as it enables species to thrive under different conditions. In this sense, polygenetic traits can be seen as a double-edged sword; while they provide the potential for diversity and adaptation, they also complicate the process of inheritance and make predictions about trait expression more challenging.Moreover, the understanding of polygenetic traits has profound implications for fields such as medicine and psychology. Many common diseases, including diabetes, heart disease, and certain types of cancer, are influenced by multiple genetic factors. By studying these polygenetic influences, researchers can better understand the risk factors associated with these conditions and develop more effective prevention and treatment strategies. Similarly, psychological traits such as personality and cognitive abilities are also thought to be polygenetic, prompting researchers to explore the interplay between genetics and environmental factors in shaping human behavior.In addition to its scientific significance, the concept of polygenetic inheritance raises ethical questions about genetic manipulation and the potential for eugenics. As we gain a deeper understanding of the genetic basis of traits, the possibility of altering these traits through genetic engineering becomes more feasible. While this technology holds promise for eliminating genetic disorders, it also poses risks related to the unintended consequences of manipulating complex traits that involve multiple genes. The ethical implications of such interventions must be carefully considered to avoid repeating the mistakes of the past.In conclusion, the study of polygenetic inheritance provides valuable insights into the complexities of genetics and its role in shaping the diversity of life on Earth. By recognizing that many traits are influenced by multiple genes, we can better appreciate the intricate mechanisms that govern heredity and evolution. Furthermore, as we continue to explore the implications of polygenetic traits in medicine, psychology, and ethics, we must remain vigilant in our pursuit of knowledge, ensuring that our advancements benefit society as a whole. Ultimately, the exploration of polygenetic inheritance not only enhances our understanding of biology but also challenges us to consider the broader implications of our genetic choices.

遗传学的概念吸引了科学家们几个世纪以来的研究，而这个领域中最引人入胜的一个方面就是遗传在塑造生物体特征中的作用。在各种遗传理论中，多基因遗传这一思想作为一种复杂而又重要的机制，突显出多个基因如何共同影响单一特征。这种现象可以在许多特征中观察到，例如身高、肤色甚至智力。理解多基因遗传特征为我们提供了对支配我们生物构成的复杂遗传网络的洞察。首先，定义一下多基因遗传的含义是很重要的。这个术语指的是由多个基因影响的特征，相对于由单个基因决定的单基因特征。例如，人类的身高并不是由一个基因决定的；相反，它是由许多基因的累积效应共同作用的结果。这些基因中的每一个都对整体表型贡献一小部分，从而导致群体内的连续变异范围。多基因遗传的一个重要意义在于它对进化和自然选择研究的影响。由多个基因控制的特征往往表现出更大的可变性，使得群体能够更容易地适应变化的环境。这种适应性对生存至关重要，因为它使物种能够在不同条件下蓬勃发展。从这个意义上说，多基因遗传特征可以被视为一把双刃剑；虽然它们提供了多样性和适应性的潜力，但同时也使遗传过程复杂化，并使对特征表现的预测变得更加困难。此外，对多基因遗传特征的理解对医学和心理学等领域有深远的影响。许多常见疾病，包括糖尿病、心脏病和某些类型的癌症，都受到多个遗传因素的影响。通过研究这些多基因遗传的影响，研究人员可以更好地理解与这些疾病相关的风险因素，并制定更有效的预防和治疗策略。同样，诸如个性和认知能力等心理特征也被认为是多基因遗传的，这促使研究人员探索遗传与环境因素在塑造人类行为中的相互作用。除了其科学意义之外，多基因遗传的概念还引发了关于基因操控和优生学的伦理问题。随着我们对特征的遗传基础的深入理解，通过基因工程改变这些特征的可能性变得更加可行。虽然这项技术为消除遗传疾病带来了希望，但它也带来了与操控涉及多个基因的复杂特征相关的意外后果的风险。这些干预措施的伦理含义必须仔细考虑，以避免重蹈过去的覆辙。总之，研究多基因遗传提供了对遗传学复杂性及其在塑造地球生命多样性中的作用的宝贵见解。通过认识到许多特征是由多个基因影响的，我们可以更好地欣赏支配遗传和进化的复杂机制。此外，随着我们继续探索多基因遗传特征在医学、心理学和伦理学中的影响，我们必须在追求知识的过程中保持警惕，确保我们的进步惠及整个社会。最终，探索多基因遗传不仅增强了我们对生物学的理解，还挑战我们考虑遗传选择的更广泛影响。