本文介绍了畜禽数量性状座位及主基因的理论、定位原理、方法以及研究现状。
The theories, located principle, research methods and present situation of quantitative trait loci and major gene were summarized in the paper.
迄今已在一些植物上定位到了部分控制根构型的数量性状座位，为该性状的分子生物学改良提供了基础。
To date quantitative trait loci (QTLs) conferring root architectural characteristics have been identified in some plants, offering hopes for molecular improvement of this trait.
此外，还发现这些DG往往被定位到和产量相关的数量性状座位上，这为我们提供了潜在的杂种优势基因。
In addition, we correlated the concurrence of DG and yield-related quantitative trait loci, providing a potential group of heterosis-related genes.
采用计算机模拟方法系统比较了目标数量性状的遗传力和标记密度对F2设计下单个性状数量性状座位（QTL）区间定位效果的影响。
The effects of interval mapping for quantitative trait loci(QTL) of single trait under different heritabilities and marker densities in a F2 population were compared by computer simulation.
行为规癖作为受多基因座位和非遗传因素共同作用的数量性状，不仅受微效多基因的影响，也可能受一个或几个主基因的影响。
Stereotypies as quantitative trait that are affected by both multiple genetic loci and non-genetic factors may be controlled by the possible presence of one or more major genes.
数量性状基因座位(QTL)的精细定位是实施QTL克隆及标记辅助选择(MAS)的重要基础。
The fine mapping of quantitative trait loci (QTL) is the important basis for QTL cloning and marker-assisted selection (MAS).
牛基因组的遗传标记图谱上有3 800多个分子标记座位，它为寻找某些影响显著的数量性状位点提供了便利的条件。
The bovine marker genome map is covered by over 3? 800 marker loci. This facilitates its extensive use in searching for genes with significant effects on quantitative trait variation.
牛基因组的遗传标记图谱上有3 800多个分子标记座位，它为寻找某些影响显著的数量性状位点提供了便利的条件。
The bovine marker genome map is covered by over 3? 800 marker loci. This facilitates its extensive use in searching for genes with significant effects on quantitative trait variation.
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