codominance

简明释义

英[kəʊˈdɒmɪnəns]美[ˌkoʊˈdɑːmɪnəns]

n. [遗] 共显性；等显性

英英释义

单词用法

同义词

反义词

例句

1.SSR molecular markers were widely applied in soybean researches due to its codominance, highly polymorph, abundance with random distribution in soybean genome, etc.

SSR分子标记因具有共显性、多态性丰富、在大豆基因组中分布广等众多优点而被广泛应用于大豆研究中。

2.SSR molecular markers were widely applied in soybean researches due to its codominance, highly polymorph, abundance with random distribution in soybean genome, etc.

SSR分子标记因具有共显性、多态性丰富、在大豆基因组中分布广等众多优点而被广泛应用于大豆研究中。

3.The codominance 共显性 of blood types A and B leads to the AB blood type in humans.

人类A型和B型血的共显性 共显性导致了AB型血的出现。

4.Studying codominance 共显性 helps scientists understand genetic variations in populations.

研究共显性 共显性有助于科学家理解种群中的遗传变异。

5.The codominance 共显性 of coat color in certain dog breeds allows for a mix of colors.

在某些犬种中，毛色的共显性 共显性允许颜色的混合。

6.In certain flower species, the red and white petals exhibit codominance 共显性, resulting in pink flowers.

在某些花卉物种中，红色和白色花瓣表现出共显性 共显性，导致粉色花朵的出现。

7.In genetics, codominance 共显性 can be observed when both alleles are expressed equally.

在遗传学中，当两个等位基因被平等表达时，可以观察到共显性 共显性。

作文

In the study of genetics, the concept of codominance plays a crucial role in understanding how traits are inherited from parents to offspring. Unlike simple dominance, where one allele completely masks the effect of another, codominance allows both alleles to express themselves fully and simultaneously in the phenotype of an organism. This phenomenon can be observed in various species, including humans, and is fundamental to the principles of inheritance. For instance, in the ABO blood group system, individuals with one allele for A blood type and one for B blood type exhibit both A and B antigens on the surface of their red blood cells. This is a classic example of codominance, where neither allele is dominant over the other, resulting in a unique blood type known as AB.The implications of codominance extend beyond mere blood types; they provide insights into how genetic variation contributes to the diversity of traits within populations. In agriculture, for example, codominance can be harnessed to breed plants and animals that exhibit desirable characteristics. By selecting parent organisms that display different traits, breeders can produce offspring that showcase a combination of these traits, leading to enhanced productivity and resilience.Moreover, codominance is essential for understanding certain genetic disorders. Some conditions arise from the interaction of multiple alleles, and recognizing the role of codominance can help researchers develop more effective treatments and management strategies. For instance, in the case of sickle cell disease, individuals who inherit one normal hemoglobin allele and one sickle cell allele exhibit a form of codominance. They produce both normal and abnormal hemoglobin, which influences their health outcomes and treatment options.The study of codominance also highlights the importance of genetic counseling for prospective parents. Understanding how traits are passed down through generations can empower individuals to make informed decisions regarding family planning. Genetic counselors often discuss the implications of codominance when assessing the risk of inherited conditions, providing valuable information that can guide families in their choices.In conclusion, codominance is a fundamental genetic principle that enhances our understanding of inheritance and trait expression. Its significance in various fields, from medicine to agriculture, underscores the complexity of genetic interactions and the importance of genetic diversity. As research continues to uncover the intricacies of genetic mechanisms, the concept of codominance will undoubtedly remain a vital area of study, contributing to advancements in health, agriculture, and our overall understanding of biology.

在遗传学研究中，共显性的概念在理解特征如何从父母传递给后代方面发挥着至关重要的作用。与简单显性不同，在简单显性中，一个等位基因完全掩盖另一个等位基因的效果，而共显性允许两个等位基因在生物体的表型中完全和同时表达自己。这种现象可以在包括人类在内的各种物种中观察到，并且是遗传原则的基础。例如，在ABO血型系统中，具有A型血和B型血等位基因的个体在其红细胞表面表现出A和B抗原。这是共显性的经典例子，其中没有一个等位基因对另一个等位基因占优势，导致一种独特的血型，称为AB。共显性的影响超出了仅仅是血型；它们提供了关于遗传变异如何促进种群内特征多样性的见解。例如，在农业中，可以利用共显性来培育表现出理想特征的植物和动物。通过选择展示不同特征的亲本生物，育种者可以生产出展示这些特征组合的后代，从而增强生产力和抗逆性。此外，共显性对于理解某些遗传疾病至关重要。一些疾病源于多个等位基因的相互作用，认识到共显性的作用可以帮助研究人员开发更有效的治疗和管理策略。例如，在镰状细胞病的情况下，继承一个正常的血红蛋白等位基因和一个镰状细胞等位基因的个体表现出一种共显性。他们产生正常和异常的血红蛋白，这影响了他们的健康结果和治疗选择。共显性的研究还突显了遗传咨询对准父母的重要性。了解特征如何通过世代传递可以使个人能够做出明智的家庭规划决策。遗传顾问在评估遗传病风险时，经常讨论共显性的影响，提供有价值的信息，可以指导家庭的选择。总之，共显性是一个基本的遗传原则，增强了我们对遗传和特征表现的理解。它在医学、农业等各个领域的重要性强调了遗传相互作用的复杂性和遗传多样性的重要性。随着研究继续揭示遗传机制的复杂性，共显性的概念无疑将仍然是一个重要的研究领域，为健康、农业和我们对生物学整体理解的进步做出贡献。