polyploid

polyploid怎么读

英式音标：[\'pɒlɪplɔɪd]

美式音标：[\'pɒliplɔɪd]

polyploid的意思释义

n.

多倍数体，有多倍染色体；

adj.

多倍体的；

英英释义

n.(genetics) an organism or cell having more than twice the haploid number of chromosomes

adj.of a cell or organism having more than twice the haploid number of chromosomes

\"a polyploid cell\"; \"a polyploid species\"

polyploid用法及例句

例句参考

Genome downsizing in polyploid plants

Polyploid formation in cotton is not accompanied by rapid genomic changes.

The advantages and disadvantages of being polyploid.

Genomic plasticity and the diversity of polyploid plants

Pathways, mechanisms, and rates of polyploid formation in flowering plants

The evolutionary dynamics of polyploid plants: origins, establishment and persistence

Map-based cloning of leaf rust resistance gene Lr21 from the large and polyploid genome of bread wheat

Rapid elimination of low-copy DNA sequences in polyploid wheat: a possible mechanism for differentiation of homoeologous chromosomes.

A chromosome bin map of 16,000 expressed sequence tag loci and distribution of genes among the three genomes of polyploid wheat

polyploid相关例句

1. But we have the knowledge that the species is a polyploid [has extra chromosomes], so hopefully it has plenty of resilience.

不过我们也认识到，这一物种毕竟是一种多倍体（即存在多套染色体），因此还存在较大的缓冲空间。

2. Polyploid is a remarkable characteristic in the chromosome evolution of higher plant, and about 70% of angiosperms have experienced polyploidization once or more in their evolutionary history.

多倍体是高等植物染色体进化的一个显著特征，约70 %的被子植物在其进化过程中曾经历过一次或多次多倍化事件。

3. 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。

4. Arrest at G2 before entering mitosis results in the appearance of polyploid cells-characteristic of cells that have undergone hypertrophy but cannot undergo division.

如在进入有丝分裂前停止于G2期，则表现为多倍体细胞——这是未能分裂而肥大的细胞的特征。

7. Medicinal polyploid plants attract great attention because of their gigantic organs, high yields and important medicinal and economic values.

多倍体药用植物因器官巨大，产量高，具有重要的药用和经济价值而倍受人们的关注。

8. This paper briefly deals with the history and status quo of mulberry polyploid breeding and describes characters and economic value of the polyploids, in particular triploid and tetraploid.

本文简述了国内外桑多倍体育种的历史与现状，以及多倍体特别是三、四倍体的特征特性和经济价值。

9. Objective: to establish a method of producing polyploid mouse embryos.

前言：目的：探索制作小鼠多倍体胚胎的方法。

10. Object To determine the baicalin content in skullcap polyploid by MEKC and HPLC, and to provide the reliable method used to determine a large number of samples.

目的采用MEKC和H PL C法对黄芩多倍体进行了黄芩苷含量的测定，为大量样品的检测提供可靠的方法。

11. The type of polyploid in Agropyron was not strictly autoploid.

冰草属的多倍体并非严格的同源多倍体。

12. According to conventional theory, little genomic changes should occur in homozygous and stable amphiploids of the grass family, particularly those involving polyploid wheat as a parent.

根据传统理论，在禾本科特别是在含有多倍体小麦为亲本的禾本科纯合、稳定的双二倍体中应存在极少的基因组变异。

13. Chromosome reductional grouping happened more frequently in polyploid cells.

染色体减数分组较多发生于多倍体细胞中。

14. A new polyploid hybrid combination of mulberry, Yuesang 11, has been bred by the methods of artificial tetraploid induction and cross breeding.

采用多倍体诱导技术与杂交育种技术相结合的方法，育成桑树多倍体杂交组合粤桑11号。

15. It is an important part of polyploid breeding to breed selectively diploid and to make the nonploidy mutation breeding.

利用多倍体选育二倍体品种，进行非倍性诱变育种是多倍体育种的重要组成部分。

16. Result: Eucommia ulmoides olive show obvious characters of polyploid by plant morphology and quantity of chromosome examine.

结果：经植物形态学和染色体数检测，诱导后的材料具有明显的多倍体特征。

17. The ways of polyploid breeding of fruit crops mainly include in the selection on natural variation , artificial mutation, sexual hybridization, endosperm culture, and protoplast fusion.

果树多倍体育种是利用对自然变异、人工诱变、有性杂交培育、胚乳培养和原生质体融合培育获得多倍体。

18. Meanwhile the ratio of haploid cell in the callus dropped gradually, and a lot of polyploid and aneuploid cells appeared.

与此同时，单倍体细胞逐渐减少，产生大量多倍体和非整倍体细胞。

19. Meanwhile the ratio of haploid cell in the callus dropped gradually, and a lot of polyploid and aneuploid cells appeared.

与此同时，单倍体细胞逐渐减少，产生大量多倍体和非整倍体细胞。

20.A polyploid species;a polyploid cell.

一种多倍体物种；多倍体细胞

24.secondary polyploid

次级多倍体

25.dibasic polyploid

二基数多倍体

26.duplicational polyploid

重复多倍体

27.hybrid polyploid

杂种多倍体

28.polyploid biology

多倍体生物学

29.A polyploid is a plant with more than two complete sets of choromosomes.

多倍体是植物具有两套以上的染色体。