- 更多网络例句与多倍体的相关的网络例句 [注:此内容来源于网络,仅供参考]
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The research progress on synthetic allopolyploid including type, inducement method and utilization status in crop genetic improvement were summarized, and the feasibility and importance for using it to improve crop varieties were discussed. Finally, the existing problems in relevant researches were analyzed, and the future studies were prospected.
概述了近年来植物人工异源多倍体的研究进展,包括人工异源多倍体的类型、诱导方法及其在植物遗传改良中的应用现状,探讨了利用人工异源多倍体进行农作物品种遗传改良的可行性和重要性,并对相关研究中的问题进行了分析和展望。
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There was also not any haploid metaphases (n=16 or 19) was detected in hybrids. However, about 1-2% metaphases observed in this study was allopolyploid. GISH proved that they was made up of haploid genomes of M. nobilis (n=16) and triploid genomes of C. farreri (n=57). GISH was also employed to detect different chromosome components and identify donor chromatin in hybrids between C. farreri♀×A.
但我们检测到了约1-2%异源多倍体的分裂相,GISH分析后发现这些分裂相是由单倍的华贵栉孔扇贝的染色体和多倍的栉孔扇贝染色体组成,比如论文中图示了一个异源四倍体的分裂相,它是由单倍的华贵栉孔扇贝的染色体(n=16)和三倍的栉孔扇贝染色体(3n=57)组成。
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In some species there are diploid and polyploid varieties that look almost identical, though sometimes they may be referred to as separate species.
在一些同时具备二倍体和多倍体的物种中,虽然它们被认为是不同的独立物种,但它们的外形几乎是完全相同的。
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Due to the causes such as polyploidy and self-incompatibility, the plants of Paspalum, with the greatest number of apomictic species, show much complex and various reproduction characteristics.
由于多倍体的存在及有性生殖的自交不亲和等原因,雀稗属植物表现出复杂多样的生殖特性,是禾本科中具备无融合生殖特性种类最多的属。
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Polyploid breeding is an important approach for improving the output, quality and resistance of pineapple.
但目前菠萝多倍体的育种研究和应用较少,特别是人工诱导方面。
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Due to the causes such as polyploidy and self-incompatibility,the plants ofPaspalum,with the greatest number of apomictic species,show much complex and various reproduction characteristics.
由于多倍体的存在及有性生殖的自交不亲和等原因,雀稗属植物表现出复杂多样的生殖特性,是禾本科中具备无融合生殖特性种类最多的属。
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Using colchicine for the induction of polyploidy plants is one of the ways of artificial induction. Colchicine, root length and light were selected as the influencing factors to induce polyploidy Amorpha optimal with the root tip smeared, to explore the optimal induction conditions for polyploidy Amorpha optimal.
用秋水仙素对植物进行多倍体诱导是人工诱导的方法之一,为了探究诱导紫穗槐多倍体的最优化条件,选取秋水仙碱,根长以及光照情况3个影响因素,对紫穗槐根尖进行涂抹处理诱导多倍体。
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In particular, the documentation of rapid and extensive non-Mendelian genetic and epigenetic changes that often accompany nascent polyploidy is revealing: the resulting non-additive and novel gene expression at global, regional and local levels, and timely restoration of meiotic chromosomal behavior towards bivalent pairing and disomic inheritance may ensure rapid establishment and stabilization as well as its long-term evolutionary success.
特别是,所发现的在多倍体形成初期,快速且大量产生的非孟德尔遗传变异和表观遗传变异为相关机理的探讨提供了重要的启示。不同尺度上的基因非加性表达以及染色体二价体联会和二体遗传方式的快速建立可能对新形成多倍体的早期稳定和长期进化优势都具有重要意义。
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The paper summarized the principle of multiploid and the advantages of multiploid of medical plants application,summed up the common methods in artificial induction multiploid of medical plants and identification of chromosome doublings,brought forward a few key problems which should be paid attention in polyploid breeding of medical plants and its research prospect.
概述了多倍体的原理及药用植物多倍体的应用优势;总结了人工诱导染色体加倍的常用方法和染色体加倍的鉴定方法;并提出了药用植物多倍体在该领域中存在的问题及研究前景。
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The result showed that: 1 Gill epithelium nucleus major-axis size, hemolymph nucleus diameter in the connective tissue of mantle and labial palps were significantly (P<0.001) larger in triploids than in diploids, no significantly differences were found in rectum epithelium height between diploids and triploids.
另外,通过组织切片、扫描电镜和透射电镜等方法比较了二倍体和三倍体太平洋牡蛎的几种组织器官的细胞大小、鳃的表面结构和鳃的超微结构,二倍体和四倍体精子的超微结构上的差异,旨在为更好的发展多倍体育种技术、探索多倍体的快速生长机制提供理论依据。
- 更多网络解释与多倍体的相关的网络解释 [注:此内容来源于网络,仅供参考]
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allopolyploid:异源多倍体
31异源多倍体(allopolyploid)两个不相同的种杂交,它们的杂种再经过染色体加倍,就形成了异源多倍体. 32同源多倍体(autopolyploid)同一物种经过染色体加倍形成的多倍体,称为同源多倍体. 33非整倍体(aneuploid)有一种染色体数目的变异,
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autopolyploid:同源多倍体
32同源多倍体(autopolyploid)同一物种经过染色体加倍形成的多倍体,称为同源多倍体. 33非整倍体(aneuploid)有一种染色体数目的变异,是增减一条或几条,染色体数目不是整倍数,所以叫非整倍体.
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autopolyploid:同源多倍性的;同源多倍体
autopolyhaploid 同源多倍单倍体的 | autopolyploid 同源多倍性的;同源多倍体 | autopolyploidy 同源多倍性
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polyploid:多倍体
1.数目性染色体畸变 染色体的数目异常可表现为非整倍体(aneuploid),即其数目并非单倍体(haploid)的整倍数,在数目上出现多或少于整倍体,如45或47条染色体. 还可表现为多倍体(polyploid),即染色体数目整倍多于单倍体,如三......
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polyploid:多倍体(的)
polygamous 一夫多妻的,一妻多夫的,杂性的 | polyploid 多倍体(的) | polyploidy 多倍性
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polyploid breeding:多倍体育种
多倍体育种(polyploid breeding)利用人工诱变或自然变异等,通过细胞染色体组加倍获得多倍体育种材料,用以选育符合人们需要的优良品种. 最常用、最有效的多倍体育种方法是用秋水仙素或低温诱导来处理萌发的种子或幼苗. 秋水仙素能抑制细胞有丝分裂时形成纺锤体,
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polyploidy:多倍体
在没有地理区隔的情况下,生存在同一地区的物种也可能分化成数个不同的物种,如在细胞分裂的过程中,子细胞的染色体可能有变多或倍增的现象,此一突变的细胞称为多倍体 (polyploidy)一般来说,多倍体的产生有两种型式,分别叙述如下:年代,
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polyploidy:多倍体 (名)
polyploid 多倍体的 (形) | polyploidy 多倍体 (名) | polypnea 喘息 (名)
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nulliplex:无显性组合[决定多倍体某一性状的基因都是隐
null mutation 无效突变[由于大片段插入、缺失或重排而 | nulliplex 无显性组合[决定多倍体某一性状的基因都是隐 | nullisome 缺对(染色体)生物,缺体生物
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nulliplex:无显性组合决定多倍体某一性状的基因都是隐性基因
nullcell裸细胞无表面标志的细胞 | nulliplex无显性组合决定多倍体某一性状的基因都是隐性基因 | nullipotency无能性