major gene

PKV was a typical quantitative character, while HPV, BDV, CPV, SBV and CSV, each might be controled by a major gene and several minor genes.

PKV是典型的由微效多基因控制的数量性状，HPV、BDV、CPV、SBV和CSV都可能是由一对主效基因和若干微效基因共同控制的。

Genetic analysis and chi-square test showed that dwarf type in Lagerstroemia likely controlled by an complete dominance major gene as well as polygene.

对分离比进行遗传分析和X2检验，结果表明紫薇矮生性状受一对完全显性主效基因控制，同时存在微效修饰基因。

The bolting time character is a quantitative trait controlled by multiple genes. There is a most effective major gene, so the single cross or back cross can be used in breeding for premature bolting tolerance. 2.

结球甘蓝抽薹时间性状是受多基因控制的数量性状，存在效应大的主基因，在进行耐抽薹育种中可采用单交重组或简单回交转育的方法进行。

Variation caused by polygenes is about one-fourth of that of major gene ( Tables 4 and 5). All of these show the feasibility of the method of analysis for Q-Q endosperm traits.

微基因造成的变异尺度约为主基因的1/4.这些结果证明了本文分析方法的实践可行性。

Unquestionably, acidity is also modified by other genes, regardless of any major gene effects.

毫无疑问, 不管酸度受任何主基因的影响酸度同样由其它的基因所修饰.

BMPR-IB gene is one of the major gene for fecundity of sheep, point mutations ( A746G) called FecB gene can be used as the molecular genetic marker for the selection of multiple births strain of sheep.

BMPR-IB基因是绵羊产羔数的主效基因，点突变基因即FecB基因（A746G）可以用于对绵羊多胎品系的选择。

The results indicate that the genetic difference of spike length in this cross relates to one major gene and a group of polygenes; Heterozygote of the major gene shows incomplete negative daminance;

结果表明，该组合的穗下节长涉及一个主基因和一组微效基因，主基因杂合体为不完全负显性；

Establishment of Molecular Detection Methods for High Prolificacy Major Gene Fec~ B in Sheep and Its Application

绵羊多胎主效基因Fec~B分子检测方法的建立与应用

Therefore, seeking major gene influencing littler size at genetic structure or gene expression has been paid a great attention to at home and abroad.

因而从遗传结构和基因表达水平上探索提高家畜产仔率的主效基因已在国内外引起广泛重视。

It implied that the GH gene could be a genetic locus or linked to a major gene greatly affecting the reproduction and carcass traits in Jinghai yellow chicken. 5.

这些都表明GH基因可能是一个控制京海黄鸡繁殖和屠体性状的主效基因或是与之存在紧密遗传连锁的一个标记。

Identification of Major Gene and Polygene Mixed Inheritance Model from Backcrosses or F_ ( 2:3) Families

利用回交或F（2∶3）家系世代鉴定数量性状主基因-多基因混合遗传模型

Conclusion BHR may be controlled by a single major gene.

结论BHR可能是以单基因遗传控制为主；