heterozygous

简明释义

英[ˌhetərəˈzaɪɡəs]美[ˌhetərəˈzaɪɡəs]

adj. 杂合的

英英释义

单词用法

同义词

反义词

例句

1.Instead of looking for homozygous variants where each parent carried an allele, the researchers were looking for heterozygous variants that were also not present in the parents.

研究人员寻找不存在与父母中的杂合变异体，而不是寻找每位亲本携带一个等位基因的纯合变异体。

2.Conclusions Novel compound heterozygous nonsense mutation of KCNQ1 can cause JLNS.

结论JLNS可由KCNQ1基因上复合的杂合突变所引起。

3.The advantage and constraints of the double heterozygous loci mapping strategy was discussed.

本文对所提出的利用双杂合位点构建果树遗传图谱的策略进行了讨论。

4.Heterozygous type I (quantitative) and most type II (qualitative) antithrombin deficiencies highly increase the risk of venous thromboembolism (VTE), while homozygous mutations are lethal.

杂合子i型(定量)和大多数II型(定性)抗凝血酶缺乏症使静脉血栓栓塞(VTE)的风险显着增加，而纯合型突变会导致死亡。

5.Conclusion The proband's hearing loss resulted from the compound heterozygous mutations N392Y and S448X for SLC26A4 gene.

结论SLC26A4基因的N392Y、S448X复合杂合突变是导致该先证者耳聋发生的原因。

6.Heterozygous mutations were identified in 12 of 13 tumors.

13例肿瘤中有12例发现杂合子突变。

7.This locus occurs in over 40% of the population and is associated with increased risk of 40% in homozygous and 15 to 20% in heterozygous.

该位点出现在40%以上的人群中，其与纯合子风险增大40%以及杂合子风险增大20%的现象相关。

8.Haired heterozygous mice possess normal reproductive capability.

杂合子有毛小鼠的生育能力正常。

9.White male butterflies, most of which are heterozygous at the gene that controls color, show no color preference.

而大多数的白色蝴蝶在颜色决定基因上是杂合的，因此不具有求偶上的颜色偏好。

10.When studying inheritance patterns, scientists often focus on heterozygous 杂合子 individuals to understand dominant traits.

在研究遗传模式时，科学家通常关注heterozygous 杂合子个体以理解显性特征。

11.Plants that are heterozygous 杂合子 for flower color may produce offspring with different colors.

对于花色为heterozygous 杂合子的植物，可能会产生不同颜色的后代。

12.A heterozygous 杂合子 condition can sometimes provide a survival advantage in certain environments.

在某些环境中，heterozygous 杂合子状态有时可以提供生存优势。

13.In genetic studies, individuals who are heterozygous 杂合子 for a specific trait may show a mix of characteristics.

在遗传研究中，对于特定性状处于heterozygous 杂合子的个体可能会表现出特征的混合。

14.A person with a heterozygous 杂合子 genotype for cystic fibrosis has one normal allele and one mutated allele.

一个具有囊性纤维化的heterozygous 杂合子基因型的人有一个正常等位基因和一个突变等位基因。

作文

In the field of genetics, understanding the concept of heterozygous is crucial for studying inheritance patterns and variations among organisms. The term heterozygous refers to an individual who possesses two different alleles for a particular gene, one inherited from each parent. This genetic diversity plays a significant role in evolution, adaptation, and the overall health of a population.To illustrate the importance of being heterozygous, let us consider the example of pea plants studied by Gregor Mendel, the father of genetics. Mendel discovered that when he crossed purebred yellow peas (homozygous dominant) with purebred green peas (homozygous recessive), the resulting offspring were all yellow. However, when these yellow peas were self-pollinated, the next generation displayed a mix of yellow and green peas in a ratio of 3:1. This phenomenon occurred because the yellow peas were heterozygous; they carried both the dominant yellow allele and the recessive green allele.The significance of being heterozygous extends beyond simple plant breeding experiments. In humans, many genetic disorders are influenced by whether an individual is heterozygous or homozygous for certain alleles. For instance, individuals who are heterozygous for the sickle cell trait (carrying one normal hemoglobin allele and one sickle cell allele) may experience milder symptoms than those who are homozygous for the sickle cell allele. This provides a fascinating example of how heterozygous individuals can have a survival advantage in certain environments, as they are less susceptible to malaria while still possessing some normal hemoglobin function.Moreover, the concept of heterozygous is essential in conservation biology. When populations of endangered species are heterozygous, they tend to exhibit greater genetic diversity, which enhances their ability to adapt to changing environments and resist diseases. Conservationists often aim to maintain or increase the heterozygous nature of small populations to ensure their long-term survival.In agriculture, heterozygous crops are often more resilient to pests and diseases compared to their homozygous counterparts. Farmers and plant breeders intentionally cross heterozygous plants to produce hybrids that combine desirable traits, such as higher yields and better disease resistance. This practice has led to the development of many modern crop varieties that sustain global food production.In conclusion, the concept of heterozygous is fundamental to our understanding of genetics and its applications in various fields. Whether in natural selection, human health, conservation efforts, or agriculture, being heterozygous enhances adaptability and resilience. As we continue to explore the complexities of genetics, recognizing the advantages of heterozygous individuals will remain a key aspect of biological research and its practical implications for society.

在遗传学领域，理解heterozygous这一概念对于研究遗传模式和生物体之间的变异至关重要。术语heterozygous指的是个体为特定基因拥有两个不同等位基因，一个来自每个父母。这种遗传多样性在进化、适应和种群的整体健康中起着重要作用。为了说明成为heterozygous的重要性，让我们考虑格雷戈尔·孟德尔（Gregor Mendel）研究的豌豆植物的例子。孟德尔发现，当他将纯种黄豌豆（纯合显性）与纯种绿豌豆（纯合隐性）杂交时，所产生的后代都是黄色的。然而，当这些黄豌豆自花授粉时，下一代展示了黄色和绿色豌豆的混合，比例为3:1。这一现象的发生是因为这些黄豌豆是heterozygous；它们同时携带显性黄色等位基因和隐性绿色等位基因。成为heterozygous的重要性不仅限于简单的植物育种实验。在人类中，许多遗传疾病的影响与个体是否为某些等位基因的heterozygous或纯合有关。例如，携带正常血红蛋白等位基因和镰刀形细胞等位基因的镰刀细胞特征的heterozygous个体，其症状可能比那些纯合镰刀细胞等位基因的人轻。这提供了一个有趣的例子，说明heterozygous个体在某些环境中可能具有生存优势，因为他们对疟疾的抵抗力更强，同时仍保留一些正常的血红蛋白功能。此外，heterozygous的概念在保护生物学中至关重要。当濒危物种的种群是heterozygous时，它们往往表现出更大的遗传多样性，这增强了它们适应变化环境和抵抗疾病的能力。保护主义者通常旨在维持或增加小型种群的heterozygous特性，以确保其长期生存。在农业中，heterozygous作物通常比纯合的作物对害虫和疾病更具韧性。农民和植物育种者故意交叉heterozygous植物，以生产结合理想特性的杂交品种，例如更高的产量和更好的抗病性。这一做法导致了许多现代作物品种的发展，以维持全球粮食生产。总之，heterozygous的概念是我们理解遗传学及其在各个领域应用的基础。无论是在自然选择、人类健康、保护努力还是农业中，成为heterozygous都增强了适应性和韧性。随着我们继续探索遗传学的复杂性，认识到heterozygous个体的优势将始终是生物研究及其对社会的实际影响的关键方面。