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The worldwide progress on construction of molecular marker linkage map, comparative mapping, quantitative trait locus (QTL) mapping and marker-aided selection (MAS) in Pinus spp. was reviewed. 本文回顾了世界上松树分子标记遗传图谱构建、比较遗传作图、数量性状位点定位和标记辅助选择的研究进展。
By constructing nearly isogenic lines (NILs) that differ only at a single quantitative trait locus (QTL), we fine mapped the yield-improving QTL qGY2-1 to a 102.9-kb region on rice chromosome 2. 通过构建单个数量性状位点（quantitative trait locus; QTL）上的近等基因系（nearly isogenic lines; NILs），我们将高产QTL qGY2-1精细定位在水稻2号染色体上的102.;9-kb基因组区域内。
Gene mapping for quantitative trait loci (QTL) was a difficult assignment in modern genetics. 摘要:现代遗传学分析中的一项艰钜任务是解决数量性状的基因定位工作。
Location of quantitative trait loci(QTL)affecting meat quality were performed in many countries. 实践证明，这种育种计划是非常成功的。
Nowadays, since the bioinformatics and genetic science are making rapid progresses, the Quantitative Trait Loci (QTL) grows into a hot researching area. 一方面,随着后基因时代的到来和生物信息的迅速发展,数量性状基因(Quantitative Trait Loci,简称QTL)定位领域发展迅速。
It will be strengthened in aspect of proteomics, function genomics, genetic linkage maping, quantitative trait loci (QTL) and marker-assisted selection (MAS) in abalone. 并指出今后应加强鲍蛋白质组学、功能基因组学、遗传连锁图谱、数量性状基因座和标记辅助选择等方面研究。
The successful application of RSB scheme in yeast will bring the great prospect for dissection architecture of quantitative trait locus in other species that have great economic value. RSB方法在酵母中的成功应用，将为人们定位克隆控制动植物中重要经济性状的基因提供参考和帮助，将会对动植物育种工作产生深远的影响。
The applications of SSR in rice genetics and breeding including construction of genetic linkage map,identification of gene,QTL(quantitative trait loci) analysis,variety identification and maker-assisted selection breeding were summarized in this paper. 笔者对SSR标记在构建水稻分子遗传图谱、基因定位和克隆、QTL(quantitative trait loci)分析、品种鉴定、分子标记辅助选择育种等方面的研究进展进行了综述。
In genetics, the advent of molecular markers enables the dissection of a complex trait into a number of quantitative trait loci (QTL), and assists the transfer of these QTL into desired cultivars or lines. DNA分子标记可把复杂的数量性状分解成若干个数量性状位点(quantitative trait loci,QTL)的效应,并将QTL转入到栽培品系中去。
AFLP has been emerged as a major new type of genetic marker with broad application in systematic, pathology, popu lation genetics, DNA fingerprinting and quantitative trait loci (QTL) mapping. AFLP已广泛应用于分类学、病理学、种群遗传学、DNA指纹分析的研究和建立数量性状基因图谱，成为最主要的遗传标记。
In previous studies, quantitative trait loci (QTL) conditioning yield components were detected in the short arm of chromosome 6 by using the RIL population from Zhenshan 97B/ Milyang 46. 本实验室前期利用珍汕97B/密阳46重组自交系群体，经初步定位，发现第6染色体短臂上的QTL对研究群体的产量形成具有重要作用。
Quantitative trait loci(QTL)are a group of p olygenes(or“gene cluster”) with small effect,which control a certain quantitative trait and occupy some chr omosome regions in the genome. 数量性状位点(QTL)是在基因组中占据一定染色体区域，控制某一数量性状的一组微效多基因的集合(或基因簇)。
However, factor(s) that effect the generation of trunk branching possibly via genetic and environmental interaction that could only be resolved by quantitative trait loci (QTL) analysis. 影响红桧树干分支可能是透过遗传与环境的交互作用，因此可能需透过数量性状基因座的研究才能有比较清楚的解答。
quantitative trait locus mapping 数量性状基因座定位
Keywords Zea mays;drought tolerance;SSR;quantitative trait locus （QTL）;linkage map;epistasis; 玉米;耐早性;数量性状基因座（QTL）;SSR;遗传连锁图;上位效应;
QTL The validation of quantitative trait locus underlying the resistance to rice bacterial leaf streak using near-isogenic line 利用近等基因系验证水稻细菌性条斑病抗性
Keywords quantitative trait locus （QTL）;epistatic effects;QTL by environment interaction effects;final height of rice; 数量性状位点;上位性效应;环境互作效应;水稻株高;
The current advance was reviewed of genetic linkage map and mapping quantitative trait loci (QTL) for main quantitative traits in oilseed rape. 对近年来油菜遗传图谱构建以及主要数量性状的QTL进展进行了综述。
Keywords Recombinant inbred line （RIL）;Molecular marker;quantitative trait locus,,,, （QTL）;Lodging resistance;Bacterial blight;Graining shattering;Oryza,,,, saliva L.; 重组自交系;分子标记;数量性状基因位点;抗倒性;抗白叶枯病;落粒;性;水稻;
In this paper,advances of gene map,comparative map,the genes for importantly economic traits and quantitative trait loci (QTL) mapping were briefly introduced in sheep. 该文从绵羊的基因图谱、比较图谱、重要经济性状基因及QTL定位方面对绵羊基因组的研究进展作了简要阐述。