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hap·loid 英ˈhæpˌlɔɪd美ˈhæpˌlɔɪdAHDhăpʹloid' 高SCOCA¹¹³¹⁸⁷BNC⁶⁹²⁹⁹iWeb³⁶⁷²⁷ 基本英英词源搭配记法近义反义例句例句 n.生单倍体;仅有一组染色体的细胞¹³adj.单倍体的⁸⁷ 生命的物质基础
Noun: genetics an organism or cell having only one complete set of chromosomes Adjective: of a cell or organism having a single set of chromosomes来自希腊语haplos,单个的,单倍的,词源可能同simple,-oid,类,相似。haploid hypha单倍菌丝double haploid双单倍体disomic haploid二体单倍体, 二体单…haploid set单倍体组haploid generation单倍世代haploid chromosome number单倍染色体数…substitution haploid替代单倍体 ha-ploid⇒n.生单倍体;仅有一组染色体的细胞adj.单倍体的⁸⁷近义词 haploidic生物单倍体…monoploid生单倍体的…反义词 diploid双重的polyploid倍数体
名词60%,形容词40% 用作名词Thehaploidfrequency decreased in plants derived from long-term cultured calli.〈单倍体的〉频率随愈伤组织培养时间延长而下降。 Synergid cells Two haploid cells located near the egg cell at the micropylar end of the embryo sac in flowering plants. 存在于开花植物胚囊内,是位于珠孔端的卵细胞两侧的两个单倍体细胞。 plb.snnu.edu.cn That unfertilized ovaries were cultured to increase the induction frequency of haploid plantlets is also discussed. 并对来受粉子房培养提高单倍体植株诱导频率进行了初步讨论。 cnki The basic set of chromosomes in a species is the haploid set, usually found in the gametes. 一个物种染色体的基本数目是一个单倍体组,这通常见于配子中。 dictall The diploid organism's germ- line cells undergo meiosis to produce gametes. The gametes proliferate by mitosis, growing into a haploid organism. 二倍体的生殖系细胞通过减数分裂产生配子,配子通过有丝分裂增殖,长成一个单倍体的生物体。163 The gender ratio of X chromosome and Y chromosome was almost same in the haploid. 单倍体中含有 X-性染色体和含有 Y-性染色体的性比基本相同。 cnki The pea lectin gene was transformed into the haploid tobacco via Agrobacterium mediation using leaf disc method and the regenerated tobacco plants were obtained. 通过农杆菌介导,采用叶盘法将豌豆凝集素基因转化单倍体烟草,获得了转基因再生植株。 dictall The techniques of establishing DH population include two key processes, the obtaining of haploid plants and the doubling of chromosome. 小麦DH群体的构建包括单倍体植株的获得和染色体加倍两个主要技术环节。 cnki According to the present direction, the key to the success for Potato breeding is to obtain double haploid. 根据目前马铃薯育种方向,获得马铃薯双单倍体是马铃薯育种成功的关键。 dictall Anther culture pollen culture The generation of haploid plants from immature pollen grains or intact excised anthers. The resultant plants are generally smaller than their diploid counterparts. 从未成熟的花粉粒或者切下的完整的花药中再生出单倍体植株的过程。这样培养出来的单倍体植株通常比正常培养出的二倍体植株小。 plb.snnu.edu.cn Each mating has generated all possible types of haploid progeny. 每种配对都产生出所有可能单倍体子代。5doc Euploidy The normal state in which an organism's chromosome number is an exact multiple of the haploid number characteristic of the species. 正常状态下,生物体染色体数是此种生物单倍体数目整数倍的现象被称为整倍性。 bioon Gametophytes produced in this manner are thus diploid instead of haploid. 以这种方式产生的配子体往往是二倍体而不是单倍体。 plb.snnu.edu.cn Having a single set of chromosomes; haploid. 单倍体的有一副染色体的; http://dj.iciba.com Naturally doubling rate of haploid was significantly related with planted environment, not related with bas. 单倍体自然加倍率的高低与种植环境关系密切,与基础材料无关。 dictall Observation of cytology indicated that haploid embryoid originated from ovum or antipode. 细胞学观察表明:单倍体胚状体起源为卵细胞或反足细胞。 cnki The use of anther culture to create double haploid DH lines is popular in breeding of self incompatibility lines of Brassica crops. 采用花药培养获得加倍单倍体 DH是甘蓝类蔬菜自交不亲和系选育的主要方法之一。 cnki The technology of anthers culture in vitro is one of the best effective methods of modern biology breeding for plant haploid breeding. 通过花药离体培养技术开展植物单倍体育种工作是现代生物技术育种最有效的手段之一。 cnki Through rice anther culture several kinds of ploidy plants can be obtained, such as haploid, diploid, polyploid and usually based on the morphology to distinguish their ploidy during maturity. 通过花药培养获得的水稻植株中,具有丰富的倍性变异,通常需在成熟期基于形态特征识别单倍体、二倍体及多倍体。 cnki With these results, we are of the opinion that the abnormal expression of the isozyme genes of the haploid genome is due to lack of the interaction through another genome. 由此,作者认为,泽蛙单倍体问工酶基因的表达异常是由于缺少另一套染色体基因的相互作用。 cnki |