amphidiploid
简明释义
英[ˌæmfɪˈdɪplɔɪd]美[æmfɪdɪˈplɔɪd]
adj. 二倍体的
n. 二倍体
英英释义
单词用法
双倍体生物 | |
双倍体物种 | |
双倍体杂交 | |
双倍体状态 |
同义词
反义词
单倍体 | 单倍体细胞只含有一套染色体。 | ||
二倍体 | 二倍体生物具有两套完整的染色体。 |
例句
1.Chromosome count showed that the plants, containing non tetraploid cells besides amphidiploid, were chimeras.
染色体检查发现,除了四倍体之外,还存在其它倍性的细胞,呈嵌合体状态。
2.Chromosome count showed that the plants, containing non tetraploid cells besides amphidiploid, were chimeras.
染色体检查发现,除了四倍体之外,还存在其它倍性的细胞,呈嵌合体状态。
3.Researchers are exploring the genetic diversity of amphidiploid plants for better breeding strategies.
研究人员正在探索amphidiploid植物的遗传多样性,以制定更好的育种策略。
4.An amphidiploid species may exhibit traits that are advantageous in specific environmental conditions.
一种amphidiploid物种可能在特定环境条件下表现出有利的特征。
5.The formation of amphidiploid individuals can occur through hybridization followed by chromosome doubling.
通过杂交后随之而来的染色体加倍,可以形成amphidiploid个体。
6.The plant species we studied turned out to be an amphidiploid, which means it has two complete sets of chromosomes from both parent species.
我们研究的植物种类被发现是一个amphidiploid,这意味着它拥有来自两个亲本物种的两套完整染色体。
7.In agriculture, amphidiploid hybrids are often created to enhance crop yield and resistance.
在农业中,通常会创造amphidiploid杂交种,以提高作物产量和抗性。
作文
In the field of genetics, understanding various types of organisms and their genetic makeup is crucial for advancements in biotechnology and agriculture. One important term that often arises in discussions about plant breeding and hybridization is amphidiploid. An amphidiploid organism is one that has two complete sets of chromosomes from both parent species, making it a type of polyploidy. This condition is particularly significant in plants, where hybrid vigor can lead to greater resilience and productivity. For instance, when two different species of plants are crossed, the resulting offspring may exhibit traits from both parents, leading to enhanced growth rates, disease resistance, and improved yield. However, when these hybrids undergo chromosome doubling, they become amphidiploid, which stabilizes the hybrid traits and allows for successful reproduction. The concept of amphidiploid is not just limited to theoretical genetics; it has practical applications in agriculture. Many crop species, such as wheat and cotton, have been developed through the creation of amphidiploid varieties. These crops are often more robust than their diploid counterparts, allowing farmers to cultivate them in a wider range of environmental conditions. The benefits of amphidiploid plants extend beyond mere survival; they can also lead to increased nutritional value and better adaptability to climate change. Moreover, the study of amphidiploid organisms provides valuable insights into evolutionary processes. Polyploidy, including amphidiploid formation, is believed to play a significant role in the evolution of new species. By examining how amphidiploid plants arise and thrive, scientists can gain a deeper understanding of the mechanisms of speciation and adaptation. This knowledge can inform conservation efforts as well, helping to preserve genetic diversity in the face of environmental challenges. In conclusion, the term amphidiploid encapsulates a fascinating aspect of genetic science with profound implications for agriculture, evolution, and biodiversity. By recognizing the importance of amphidiploid organisms, we can appreciate the intricate relationships between species and the potential for innovation in crop development. As we move forward, continued research into amphidiploid genetics will undoubtedly unlock new possibilities for sustainable farming practices and the preservation of our planet's rich biological heritage.
在遗传学领域,理解各种生物及其遗传构成对于生物技术和农业的进步至关重要。在关于植物育种和杂交的讨论中,一个重要的术语是amphidiploid。amphidiploid生物是指从两个父本物种获得两套完整染色体的生物,属于多倍体的一种。这种情况在植物中尤为重要,因为杂交优势可以导致更强的韧性和生产力。例如,当两种不同的植物物种交叉时,产生的后代可能会表现出来自两个父本的特征,从而导致生长速度、抗病性和产量的提高。然而,当这些杂交种经历染色体加倍时,它们变成amphidiploid,这使得杂交特征稳定,并允许成功繁殖。amphidiploid的概念不仅限于理论遗传学;它在农业中有实际应用。许多作物物种,如小麦和棉花,都是通过创造amphidiploid品种发展而来的。这些作物通常比它们的二倍体同类更强健,使农民能够在更广泛的环境条件下种植它们。amphidiploid植物的好处超越了生存;它们还可以导致营养价值的提高和对气候变化的更好适应。此外,对amphidiploid生物的研究提供了对进化过程的宝贵见解。包括amphidiploid形成在内的多倍体被认为在新物种的进化中发挥了重要作用。通过研究amphidiploid植物如何产生和繁荣,科学家可以更深入地理解物种形成和适应的机制。这一知识也可以为保护工作提供信息,帮助在环境挑战面前保护遗传多样性。总之,amphidiploid这一术语概括了遗传科学中一个引人入胜的方面,对农业、进化和生物多样性具有深远的影响。通过认识到amphidiploid生物的重要性,我们可以欣赏物种之间复杂的关系以及在作物开发中的创新潜力。随着我们不断前进,对amphidiploid遗传学的持续研究无疑将开启可持续农业实践和保护我们星球丰富生物遗产的新可能性。