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poly·ploi·dy 英'pɑlɪ,plɔɪdi美'pɑlɪ,plɔɪdi 高ＳCOCA¹⁰⁵²⁹⁰BNC¹⁷³⁹⁹⁵⁺²iWeb⁵⁸¹⁶³
基本英英记法例句例句
n.多倍性¹⁰⁰
生物
Noun:
the condition of being polyploidpoly-多-ploidy⇒n.多倍性
名词100%
用作名词Polyploidy is observed in many species of both plants and animals.在植物和动物中都观察到许多物种的多倍性。
Hybrid sterility is sometimes overcome bypolyploidy.有时可用多倍性来克服杂种不育性。 A study of inducing polyploidy of Salvia miltiorrhiza Bunge in the process of tissue culture was made.
应用组织培养技术进行人工诱导丹参多倍体的研究。 cnki
Breeders have bred a great deal of new flower varieties by taking routine cross breeding, radiation breeding, tissue culture breeding, polyploidy breeding, and spaceflight breeding etc.
人们通过常规杂交育种、辐射育种、组织培养育种、多倍体育种、航天育种等手段培育了大量的花卉新品种。 cnki
In the recent years, with the developing of plant tissue culture technique, artificial chromosome doubling in vitro is an efficient approach to produce polyploidy plants.
近年来，随着植物组织培养技术的发展和完善，利用离体组织染色体加倍法进行多倍体诱导已在许多植物中取得成果。 fabiao
It is of great potential to focus on polyploidy breeding of triploid poplar, due to its outstanding performance in forestry production.
杨树三倍体品种在林业生产中的突出表现证明，杨树多倍体育种具有巨大的挖掘潜力。361xs
The paper studies the effect of the quick-freeze and rehydration conditions, regarding polyploidy dandelion as the material, which it can provide reference for the quick freeze and preservation.
以多倍体蒲公英为原料，研究蒲公英的速冻及复水条件，为蒲公英速冻保藏技术提供参考。 cnki
The results indicate all the three loquat cultivars polyploid occurred genomic variation after polyploidy.
表明三个枇杷品种的多倍体在多倍化后基因组均发生了变异。 fabiao
Between polyploidy trees or parts of the same tree, the proportions or mosaic degrees of various ploidy cells are evidently different.
在植株之间或部位间，这些不同倍性细胞的比例结构或嵌合程度差异很大； cnki
Chromosome doubling for somatic cells and somatic hybridization via cell fusion are effective methods to create polyploidy.
细胞融合和体细胞染色体加倍是获得杨树多倍体种质的有效途径之一。361xs
Chromosome number also gives an indication of polyploidy, where numbers vary by exact multiples between related species.
当多倍性现象发生时，物种的染色体数目是原来的整数倍。 plb.snnu.edu.cn
Einkorn wheat is the donor species of polyploidy wheat. It is one of the important basic species of Triticum.
一粒系小麦是多倍体小麦染色体组的供体物种之一，是小麦的重要基础物种。 cnki
Feed crop breeding by polyploidy can enlarge the plant cellular size, so the plant has the thick and high stem, thick blade, and increases the content of protein, carbohydrate, vitamins and minerals.
多倍体在饲料作物育种上可使植物细胞增大而导致植株茎粗、高大、叶片宽厚；并且使植株的蛋白、糖分和维生素及矿物质含量有较大的提高。 cnki
However, along with the former studies, we inferred that polyploidy may have played an important role in driving its speciation and diversification.
然而，结合以前的染色体数据，我们推测多倍化可能在推动大黄属物种形成和分化中起了很重要的作用。 fabiao
Hybrid sterility is sometimes overcome by polyploidy.
有时可用多倍性来克服杂种不育性。 dictall
In the ordinary way normal cell cycle occurs abnormal as polyploidy will start the apoptosis in the tumor cells.
通常正常细胞周期进程中如出现异常如形成多倍体会启动凋亡通路。 fabiao
In plants, they can come from polyploidy, a process in which seeds, through a quirk in cell division, wind up with an extra copy of their DNA.
在植物中，种子细胞分裂时，正在分裂的细胞产生了凹陷和弯曲，导致同一个细胞中多出一份 DNA，从而形成了多倍体。 yeeyan
In vertebrates, polyploidy tends to be lethal, but plants can do just fine with all this extra genetic material.
脊椎动物中，多倍体往往是致死的，而多倍体植物却可以很好的存活。 yeeyan
It can be used to study the relationship, component and origin of the genome in polyploidy;
应用这一技术可对多倍体中基因组之间的亲缘关系、基因组组成及起源进行研究； cnki
The observation and statistics of morphology suggested that the hybrids showed interspecific morphological traits and some traits resembled more closely with the higher polyploidy parents.
形态学性状观察、统计表明： 大多数杂种性状介于双亲之间， 但部分性状则较为明显地相似于多倍体； cnki
The results suggested that obvious difference of chromosome number appeared among these Alnus species, even in the same species from different population, and spontaneous polyploidy might occur.
本次研究结果表明桤木属物种间染色体数目有明显的差异，同一物种不同居群间也有差异存在，而且可能有自然加倍现象； cnki
Polyploidy had the very vital significance in the plant evolution, about a half of species belong to polyploidy in the plant field .
多倍体在植物进化中有很重要的意义，植物界约有二分之一的物种属于多倍体。 fabiao
Polyploidy is an important force of plant evolution.
多倍化是促进植物进化的重要力量。 cnki |