英语释义

• of a cell or organism having more than twice the haploid number of chromosomes;

  "a polyploid cell"

  "a polyploid species"

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

片语

polyploid system多元体系

Polyploid sugarbeet甜菜多倍体

series polyploid多倍体系

tribasic polyploid三基多倍体

polyploid series多倍体系

polyploid nucleus多倍核

plant polyploid植物多倍体

polyploid daylilies多倍体萱草

multifold多种的；多折的；多倍的

polyploid embryos多倍体受精卵

英汉例句

• These phenomena show the possibility of producing polyploid of Diospyros kaki L. by the unred…

  观察结果提示了柿树多倍体由未减数配子受精产生的可能性。

• It is a successful case to apply polyploid breeding technique into the tropical orchid breeding in China .

  此研究是多倍体育种技术在我国热带兰花育种中的一次成功尝试。

• 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。

• 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。

• If such gametophytes produce fertile gametes, the resulting sporophyte is then tetraploid, and large polyploid series may subsequently be developed.

  如果这种配子体能够产生可育的配子，那么形成的孢子体通常是四倍体，这样就可以得到大量的多倍体。

• 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。

• Tian Yan 301 is a polyploid sugar beet variety which was developed by using improved polyploid breeding technique.

  甜研301是在改进多倍体育种技术的基础上育成的甜菜多倍体新品种。

• In this article, ways of polyploidy breeding, the identification of polyploidy, application of watermelon polyploidy, and the prospective of watermelon polyploid breeding are reviewed.

  文章概述了西瓜多倍体的产生途径、鑒定方法，西瓜多倍体育种的应用以及研究新动向。

• The Tiandan303 is a genetic monogerm polyploid sugar beet hybrid.

  甜单303是甜菜遗传单粒型多倍体杂交种。

• The present paper reviewed the studies on the polyploid manipulation in the Chinese mitten-handed crab, Eriocheir sinensis.

  文中报道了本研究小组近年来在多倍体中华绒螫蟹（河蟹）研究中所取得的最新进展。

• The technique is applied in the polyploid breeding practice on jujube trees, the method is simple and convenient, and the autopolyploid can be quickly obtained and applied in production.

  该技术应用于枣树多倍体育种实践，方法简单便捷，可快速获得同质多倍体并应用于生产。

• With the continuing development and improvement of ISH, It will be played more and more important role in plant polyploid research.

  随着原位杂交技术的不断发展完善，其在植物多倍体研究中发挥的作用会更加重要。

• A polyploid species; a polyploid cell.

  体细胞；多倍体物种。

• It is difficulty to select and breed apomictic germplasm among diploid rices at present, but it has become a hotspot to select and breed apomictic germplasm among polyploid rices.

  目前，在二倍体水平上选育水稻无融和生殖种质的难度较大，而在多倍体水平筛选水稻无融和生殖新种质已成为水稻无融和生殖研究新的生长点。

• 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。

• The germination characteristics of melon seeds with different ploidy levels were studied in order to cultivate polyploid melons and help in breeding programs to develop good melon varieties.

  探讨不同染色体倍性甜瓜种子萌发特性，为多倍体甜瓜的栽培与育种提供理论依据。

• It is extraordinarily important to select tetraploid lines for breeding sugar beet polyploid varieties.

  四倍体品系选育是甜菜多倍体育种不可缺少的重要环节。

• There are few polyploidy in conifer, lack of material limits the researching on polyploids that polyploid induced has be the most important step up to its application.

  大量多倍体植株的获得以弥补其天然发生不足，是促进多倍体针叶树研究发展的前提。

• 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沖空间。

• The ratio of polyploid produced was 87. 5 %, which has shown that crossing combination between Dayali and Pingguoli has special value in pear polyploid breeding.

  多倍体出现率为87．5％，表明大鸭梨与苹果梨杂交组合在多倍体育种中具有特殊价值。

• 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。

• 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。