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- The chromosome karyotypes and the chromosome variation of regenerated plants of perennial ryegrass(Lolium perenne L. 对多年生黑麦草核型及组织培养再生植株细胞染色体变异进行了观察研究。
- The chromosome variation in meiosis may cause a part of pollen mother cells to abort, but it is not the main cause of abortion. 花粉母细胞减数分裂过程染色体异常可以引起部分花粉败育，但不是该变异体败育的主要原因。
- The paper explored the origin and differentiation of the mulberry silkworm (Bombyx mori) from the chromosome variation point of view. 本文从染色体变异角度对蚕的起源与分化作了探讨。
- Objective:To study the chromosome variation in mental retardation , genital abnormalities and gonads degenerate patients. 目的探讨染色体异常在智力低下和性发育不良中的发生情况。
- Objective To study the feasibility of using high passage human dermal fibroblasts as seed cells for tendon tissue engineering by testing the chromosome variation and tumorigenicity. 目的研究高代次人皮肤成纤维细胞的染色体变异性和致肿瘤性,为验证其作为组织工程肌腱种子细胞的安全性提供相应依据。
- The human chromosome variation caused by the electro-dissociationradiation has been studied by means of observing chromosomes of 26 electronaccelerator workers. 通过对26例静电加速器工作者染色体的观测，研究电离辐射引起的人类染色体畸变。
- With increasing generation of subculture, the ability of differentiation was reduced;either the kind and frequency of chromosomal variation or the chromosome number were increased distinctly. 随着继代培养代数增 多，染色体变异的种类和频率以及染色体数目显著增加。
- The results showed that t h e frequency of chromosomal variation of the sterile line was 18%,and that of the receptor was 0.8%. 结果发现，不育变异体花粉母细胞染色体异常比率达到18%25，而受体花粉母细胞染色体异常比例为0.;8%25，二者存在明显差异。
- Karyotype and Chromosome Variation in Genus Hemerocallis L. From Kunyu Mountain 植物的核型及其染色体变异研究
- Studies on the Karyotype and Chromosome Variation of Regenerated Perennial Ryegrass 多年生黑麦草核型分析与组织培养再生植株染色体变异研究
- 4 Chromosome variation in citrus calli occurred at the early stage of the callus formation was observed. 4柑桔胚性愈伤组织的染色体观察表明，染色体变异普遍存在并在愈伤组织形成早期就已发生，异常有丝分裂是造成染色体变异的细胞遗传学机制；
- Prices have not shown much variation this year. 今年物价没显出多大变化。
- Prices are subject to variation. 价格可以变动。
- Effects under Different Concentration of 2,4-D and KT on Chromosome Variation in Tissue Culture of Fritillariae pallidiflora Schrenk 不同浓度的2,4-D 和 KT 对伊贝母组织培养中染色体变异的影响
- The petitioner ask for a variation in her maintenance order. 上诉人要求对她生活费的命令的条件进行变更。
- The dial records showed a very slight variation in pressure. 刻度盘显示出压力有极微小的变化。
- The position that a given gene occupies on a chromosome. 基因座在一条染色体上某种给定基因所占的位置
- The song sounds like a variation of a very old and familiar tune. 这首歌像是一个熟悉的旧曲调的变奏曲。
- A chromosome composed primarily of heterochromatin. 异染色体主要由异染色质组成的染色体
- chromosome variation 染色体变异
