详细释义
Noun:
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(genetics) an organism or cell having more than twice the haploid number of chromosomes
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of a cell or organism having more than twice the haploid number of chromosomes;
"a polyploid cell"
"a polyploid species"
双语例句
- 1. A polyploid species; a polyploid cell.
- 体细胞；多倍体物种。
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- 2. Polyploid plants were short and stout with thick leaves.
- 多倍体苗叶片厚实、紧凑、植株较矮；
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- 3. 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。
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- 4. Polyploid breeding is one of the important ways to get new varieties.
- 多倍体育种是获得新品种的重要途径之一。
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- 5. A polyploid is a plant with more than two complete sets of chromosomes.
- 多倍体是具有两套以上染色体的植物。
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- 6. A polyploid is a plant with more than two complete sets of chromosomes.
- 多倍体是植物具有两套以上的染色体。
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- 7. A polyploid is a plant with more than two complete sets of chromosomes.
- 体是具有两套以上染色体的植物。
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- 8. 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。
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- 9. Sublethal temperature might be suitable for polyploid inducement of cold shocks.
- 亚致死温度是低温诱导多倍体的合适温度。
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- 10. 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。
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- 11. 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。
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- 12. 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。
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- 13. 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。
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- 14. In addition, the mechanisms of polyploid inducement with C. B treatment and temperature shock are dis cussed.
- 文中还就细胞松驰素b与温度休克诱导三倍体的机制进行了讨论。
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- 15. The in vitro seedlings of polyploid plant showed advantageous characteristics such as thicker stems and leaves.
- 多倍体齿瓣石斛试管苗出现了植株粗壮、叶片增厚等优良性状。
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- 16. 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。
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- 17. The karyotype of their chromosomes were normal (46xy or 46xx), no chromosome aberration, chromosome loss and polyploid.
- 所有患者染色体核型均正常，未见染色体核型缺失及多倍体，均为46xy或46xx型。
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- 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。
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- 19. The distribution of DNA ploidy was 2.47 ~ 11.79c, with no normal diploid (2c). All the 41 cases were aneuploidy and polyploid.
- 结果表明，DNA倍体水平分布范围为2.47 ~ 1.79，无正常二倍体(2c)，41例皆为非正倍体的异多倍体。
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- 20. 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。
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- 21. Result: The polyploid of P. chinense was obtained using calli with stem treated with 0.2% colchicines medium, the inducing rate reached 12.45%.
- 结果：将茎段愈伤组织接种在含有0。2%秋水仙素的培养基上，通过培养形成的多倍体植株诱导率为12。
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- 22. By polyploid nature and high levels of heterozygosity of vast majority pasture plants, it was rather complicated to construct linkage maps of them.
- 由于大多数牧草的多倍性和高度异质特点，牧草遗传连锁图谱的构建相对复杂。
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- 23. 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。
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- 24. OBJECTIVE: to simultaneously determine the contents of cipro and MNZ in compound ciprofloxacin ear dro_ ps by nodical polyploid UV-spectrophotometry.
- 目的：以交点倍数法同时测定复方环丙沙星滴耳液中环丙沙星、甲硝唑的含量。
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- 25. Polyploid has the organ huge characteristic, it can enhance ornamental and resistant and increases the medicinal plant output or the effective component content.
- 多倍体有器官巨大型的特点，可以在提高花卉观赏性和抗性的同时增加药用植物产量和有效成分含量。
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- 26. 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。
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- 27. Peony are good material for polyploid breeding with lower chromosome multiple and less number. polyploid breeding can improve Peony's watches quality and economic value.
- 牡丹的染色体倍数较低且数目较少，是进行多倍体育种的好材料，对其进行多倍体育种是改进其观赏品质、提高其经济价值的有效途径之一。
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- 28. In recent years, the study of development of plant somatic embryo and technique of polyploid induction have become two important subjects in cytobiology and molecular biology.
- 植物体细胞胚发生的机理研究和多倍体诱导的技术优化一直是植物分子及细胞生物学中的两个热点问题。
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- 29. Polyploid formation has played a major role in the evolution of many plant and animal genomes, however, surprisingly little is known for us what happens to genomes in polyploidy.
- 多倍体的形成在生物进化过程中占有重要的地位，但是我们对其多倍化后基因组究竟发生了哪些变化还知之甚少。
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- 30. 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。
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