突变性状

水稻苗期低温失绿是一个重要的突变性状，研究该性状的遗传基础在理论上和应用上都具有重要的意义。

Cold-induced seedling chlorosis is an important mutant character in rice . Research of the genetic basis of this character is meaningful in both theory and application .

在M2中，突变性状有株高、穗长、熟期、颖壳颜色、芒性和育性等。

In M 2 , the mutation characters including plant height , head length , maturing date , glume colour and fertility were observed .

经过除草剂筛选、PCR检测及Southernblot鉴定，确认获得3个基因的4株转基因油菜，后代突变性状观察发现一株黄白花雄性不育突变体和一株黄白双色花嵌合体。

Four transgenic plants of three target genes were obtained tested by herbicide screen , PCR test and southern blot identification . In the progeny of transgenic oilseed rape , a male sterile mutant with yellow-white coloured flowers and a plant chimera with yellow-white double coloured flowers were found .

同时，杂合株系呈典型的3∶1分离比例，表明该突变性状由单隐性基因控制，并将该突变体暂时命名为TOR。

The segregation ratio of wild type plants to mutant plants in the population degenerated from heterozygotes was 3 ∶ 1 , indicating that the mutant is controlled by a single recessive gene , and designated tentatively as TOR .

遗传试验表明，F1代植株皆具正常的茎和花序，F2代突变性状和正常标记性状呈3∶1分离，表明该突变性状由单隐性基因支配，用基因符号fcu表示。

The genetic experiments indicate that the F 1 plants have normal stem and inflorescence , the F 2 plants have mutants and normal types with the ratio of 3 ∶ 1 , so the mutant are dominated by single recessive gene .

未来，将制备转殖基因植物来证实所选择的基因是否真的会抑制eto1-5的突变性状。

In the future work , Arabidopsis transgenic lines will be generated to confirm the function of selected genes as suppressors of eto1-5 .

陆地棉亚红株突变性状的连锁遗传规律分析

Analysis on linkage inheritance of sub-red plant mutant from upland cotton

陆地棉超矮杆突变性状质量遗传规律分析

The inheritance of an ultra-dwarf plant mutant from upland cotton

粳稻6108白叶突变性状的遗传分析及转不育系进展

Genetics of White Color Mutant in Japanic Rice 6108 and Its Agricultural Characteristics

突变性状的表达与移栽有直接关系，一般在移栽后一周开始出现斑马叶突变性状。

Mutant expression was directly related to transplantation , and it generally showed zebra-band leaf one week after transplanting .

突变性状包括抽穗期、株高、叶色、株型、花发育等。

The traits include heading date , plant height , leaf color , plant type , flower development and so on .

同时对部分突变性状如簇生穗、树稻等进行了遗传分析试验；

Also the test and genetic analysis of some mutant characters such as clustered ears and tree rice were carried out .

由于其高度不育，突变性状采用杂合体保存，经5代连续自交，均表现稳定遗传特性。

Doe to its exceeding sterility , the mutation was maintained by heterozygotes , and it was also inherited stably after five generations of self-pollination .

遗传分析表明，该突变性状是由一对隐性基因控制的。

In the present study , the genetic analysis indicated the mutantion trait is controlled by one recessive gene , termed lepd ( t ) .

遗传分析证明该黄色突变性状为单基因隐性遗传，绿色对黄色为完全显性。

Genetic analysis indicated that the yellowish mutant was nucleolus inheritance and was controlled by one pair of recessive gene , and green color was complete dominant to yellow color .

家蚕实验遗传图谱的研究历经近百年，已将300多个突变性状定位在230多个位点上。

The research on silkworm experimental genetic map has last for nearly 100 years , and more than 300 mutant characters have been located in 230 loci including many important biochemistry traits .

一些差异表达基因可能与红肉突变性状有关，包括了参与类胡萝卜素代谢与调节、转录因子、转运蛋白、氧化逆境相关的基因。

Some differentially expressed genes may be associated with the red-flesh mutation . These include genes encoding transcription factors , transporters and enzymes likely involved in carotenoid biosynthesis and oxidative stress response .

本文主要对经过重离子辐照获得的3个株水稻脆秆突变体进行农艺性状分析、生理生化分析和遗传分析，对新茎秆脆性突变性状的控制基因进行基因的精细定位。

In this study , we mainly researched the agronomic characters , physiological and biochemical , genetic analysis and located the control gene of three rice brittle culm mutants were obtained by heavy ion irradiation .

突变性状多为一对隐性核基因控制。因此，在生产上可作为一种叶色标记在保证杂交种纯度，特别是制种易受温度影响的两系杂交种纯度鉴定方面有着重要的应用价值。

The mutation was usually controlled by a recessive nuclear gene and therefore could be used as a phenotypic marker for monitoring seed purity in hybrid rice production , especially in two-line hybrid rice in which seed purity usually affected by temperature .

软毛无卷须黄瓜突变株的性状研究

The primitive research of a cucumber mutant with hairy leaves , without tendrils

猪肌肉生长抑制素基因5′调控区T→A突变与生长性状的关系分析

Relationship of T → A Mutation in the Promoter Region of Myostatin Gene with Growth Traits in Swine

籼稻早熟辐射突变类型和相关性状的遗传分析

The types and genetic analysis of radiation induced early maturity mutants of rice

通过辐射照射种子以后，会产生各种性状的突变，而且各种性状的突变频率不一样，而且多数为隐性突变，其显性突变频率更低。

After radiation the seeds will engender some mutations in some characters . Mutants appears at different frequency when the seeds are radiated . Most mutations are recessive , while the dominant mutation frequency is definitely low .

研究发现：（1）低植酸突变为一隐性突变性状，此突变为单隐性基因突变；

The low phytic acid mutation with mutant IR-lp1 is a recessive trait controlled by a single recessive nuclear gene .

突变等位基因或遗传突变决定的性状，导致不能生育。并非都在育龄前死亡。

Genetic load & The sum total of death and disease caused by mutant genes .

F2群体田间调查经x~2检验正常株与突变株的比例符合1对基因控制的分离比3：1，表明该突变性状受一对隐性基因控制，并将该基因暂命名为lh（longhull）。

Investigation for F2 population shows that the segregation of normal plants and mutant plants fits a ratio of 3:1 . Thus the mutant traits are controlled by single recessive gene which is tentatively designated as Ih ( long hull ) .

EMS诱变产生的主要突变类型有：穗部形态突变、籽粒形态突变、茎秆形态突变、叶片性状突变、育性突变及熟期突变等。

The main mutant-types induced by EMS were ear visibles , seed visibles , stem visibles , leaf character mutation , fertility mutation and mature period mutation .

T1、T2及回交结果表明，该突变体能稳定遗传且受一对隐性单基因控制，共分离分析表明该突变性状不是由于T-DNA插入引起的，因此不能通过T-DNA标签法克隆该基因。

Genetic analysis showed that the mutant was controlled by a single recessive gene . The ts-ta mutant was not induced by T-DNA insertion though it was screened in T-DNA inserted mutant pools . Therefore , the mutant gene could not be isolated by T-DNA tagging method .