triploid
简明释义
adj. 三倍体的;三倍性的
n. 三倍体
英英释义
An organism or cell having three complete sets of chromosomes. | 一种生物或细胞具有三套完整的染色体。 |
In plants, triploidy can result in larger fruit size and seedlessness. | 在植物中,三倍体可以导致更大的果实和无籽现象。 |
单词用法
三倍体植物 | |
三倍体鱼类 | |
三倍体细胞 | |
产生三倍体 | |
三倍体诱导 | |
三倍体杂交种 |
同义词
多倍体 | 多倍体生物通常表现出更大的体型和活力。 | ||
四倍体 | Tetraploids can arise from the hybridization of diploid species. | 四倍体可以通过二倍体物种的杂交产生。 |
反义词
二倍体 | Diploid organisms have two sets of chromosomes, one from each parent. | 二倍体生物有两组染色体,分别来自于每个父母。 | |
单倍体 | Haploid cells are produced during meiosis in sexual reproduction. | 单倍体细胞是在性生殖过程中通过减数分裂产生的。 |
例句
1.He says, though, that his fish could also be made triploid if necessary.
尽管如此,他说如有必要,这些鱼也可以携带上三染色体。
2.Our result of karyotype analysis supports the viewpoint that Chinese narcissus belongs to triploid plant, and the karyotype leans to a heterogeneous triploid.
对中国水仙的核型分析,支持它是三倍体的观点,但其核型也显示出了异源三倍体的倾向。
3.Kanamycin sensitivity tests for both poplar 84k and triploid white poplar were conducted.
进行了84k杨和三倍体毛白杨的卡那霉素敏感性测定。
4.A study was conducted on the effect of different concentration of NAA treatments on the cutting propagation of triploid Populus tomentosa testtube plantlet cuttings.
研究了不同浓度NAA处理对三倍体毛白杨试管苗切段扦插繁殖的影响。
5.A study was conducted on the effect of different concentration of NAA treatments on the cutting propagation of triploid Populus tomentosa testtube plantlet cuttings.
研究了不同浓度NAA处理对三倍体毛白杨试管苗切段扦插繁殖的影响。
6.The growth of triploid plantlets could be accelerated through double grafting in the field.
田间二重接可加速三倍体小苗生长。
7.The scientists created a triploid 三倍体 organism to study its growth patterns.
科学家们创造了一个三倍体生物以研究其生长模式。
8.Many cultivated plants, such as seedless watermelons, are triploid 三倍体 to prevent the formation of seeds.
许多栽培植物,如无籽西瓜,都是三倍体的,以防止种子的形成。
9.Researchers found that triploid 三倍体 fish grow faster than their diploid counterparts.
研究人员发现,三倍体鱼的生长速度比它们的二倍体同类快。
10.The triploid 三倍体 condition can lead to increased vigor in some plant species.
在某些植物物种中,三倍体状态可以导致更强的活力。
11.In aquaculture, triploid 三倍体 oysters are preferred for their larger size and better meat quality.
在水产养殖中,三倍体牡蛎因其更大的体型和更好的肉质而受到青睐。
作文
In the realm of genetics and plant breeding, the term triploid refers to an organism or cell that has three sets of chromosomes instead of the usual two (diploid). This unique genetic makeup can occur naturally or be induced artificially through various breeding techniques. Understanding triploid organisms is essential for scientists and agriculturalists alike, as they often exhibit distinct characteristics that can be beneficial in crop production and horticulture. One of the most notable examples of triploid organisms is found in certain species of plants, particularly in fruit-bearing crops. For instance, many seedless watermelons are triploid. These fruits are created by crossing diploid and tetraploid plants, resulting in a seedless variety that is highly sought after by consumers. The absence of seeds not only enhances the eating experience but also contributes to the fruit's marketability. As a result, triploid varieties have become increasingly popular among growers, leading to higher profits and greater consumer satisfaction. In addition to fruit crops, triploid organisms are also prevalent in aquaculture. Many fish species, such as certain strains of tilapia and salmon, are bred to be triploid. The advantage of producing triploid fish lies in their growth rates and reproductive capabilities. Since triploid fish are sterile, they do not reproduce, allowing them to allocate more energy toward growth rather than reproduction. This results in faster-growing fish that can be harvested sooner, which is a significant benefit for fish farmers looking to maximize their yields. The process of creating triploid organisms typically involves manipulating the chromosome number through techniques such as hybridization and chemical treatments. For example, in the case of triploid plants, breeders may use colchicine, a chemical that disrupts normal cell division, to induce polyploidy. This method allows for the creation of new varieties that can exhibit desirable traits such as larger fruit size, improved disease resistance, and enhanced flavor. However, it is important to note that while triploid organisms can offer numerous advantages, they also come with challenges. For instance, the stability of triploid individuals can vary, and there may be difficulties in maintaining their populations over time. Additionally, the ecological impact of introducing triploid species into natural environments must be carefully considered, as they could potentially disrupt local ecosystems if they escape into the wild. In conclusion, the concept of triploid organisms plays a significant role in modern agriculture and aquaculture. Their unique genetic structure provides opportunities for innovation in crop and fish production, ultimately benefiting both producers and consumers. As research continues to advance in the field of genetics, the potential for developing even more triploid varieties with enhanced traits will likely increase, paving the way for a more sustainable and productive future in food production. Understanding the implications and applications of triploid organisms is crucial for anyone involved in the fields of biology, agriculture, and environmental science, as they represent a fascinating intersection of nature and human ingenuity.
在遗传学和植物育种领域,术语triploid指的是具有三组染色体的生物或细胞,而不是通常的两组(双倍体)。这种独特的遗传组成可以自然发生,也可以通过各种育种技术人工诱导。理解triploid生物对科学家和农业工作者来说至关重要,因为它们通常表现出独特的特征,这些特征在作物生产和园艺中可能是有益的。 一个显著的例子是在某些植物物种中发现的triploid生物,特别是在结果实作物中。例如,许多无籽西瓜就是triploid。这些水果是通过交叉双倍体和四倍体植物而创建的,形成了一种无籽的品种,消费者对此高度追捧。缺乏种子不仅增强了食用体验,还提高了水果的市场价值。因此,triploid品种在种植者中变得越来越受欢迎,从而带来了更高的利润和更大的消费者满意度。 除了果树作物,triploid生物在水产养殖中也很常见。许多鱼类物种,如某些品系的罗非鱼和鲑鱼,被培育为triploid。生产triploid鱼类的优势在于它们的生长速度和繁殖能力。由于triploid鱼类是无性繁殖的,它们不会繁殖,这使得它们能够将更多的能量分配给生长,而不是繁殖。这导致了生长更快的鱼类,可以更早收获,对希望最大化产量的渔农来说这是一个重大好处。 创造triploid生物的过程通常涉及通过杂交和化学处理等技术操纵染色体数量。例如,在triploid植物的情况下,育种者可能会使用秋水仙素,这是一种干扰正常细胞分裂的化学物质,以诱导多倍体。这种方法允许创造出可能表现出较大果实尺寸、改善抗病性和增强风味的新变种。 然而,重要的是要注意,尽管triploid生物可以提供许多优势,但它们也伴随着挑战。例如,triploid个体的稳定性可能有所不同,维持其种群可能存在困难。此外,引入triploid物种到自然环境中的生态影响必须谨慎考虑,因为如果它们逃逸到野外,可能会破坏当地生态系统。 总之,triploid生物的概念在现代农业和水产养殖中发挥着重要作用。它们独特的遗传结构为作物和鱼类生产的创新提供了机会,最终惠及生产者和消费者。随着研究在遗传学领域的不断进展,开发更多具有增强特性的triploid品种的潜力可能会增加,为食品生产的可持续和高效未来铺平道路。理解triploid生物的影响和应用对于任何参与生物学、农业和环境科学领域的人来说都是至关重要的,因为它们代表了自然与人类智慧的迷人交汇点。
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