dominance effect

Among the genetic main effect s , dominance effect was more important than additive effect .

遗传主效应中以显性效应（VD）为主，加性效应（VA）次之。

Dominance effect exists among allele , and interaction exists among non - allelic genes .

等位基因之间存在显性效应，非等位基因之间存在互作作用。

17.3 % QTLs ( that was 17 loci ) expressed dominance effect ;

显性效应的QTLs有17个，占17.3%；

36.8 % QTLs ( that was 36 loci ) expressed partly dominance effect ;

部分显性效应的QTLs有36个，占36.8%；

The major genetic effect is the dominant on fiber elongation . the dominance effect is rather important for the most characters .

显性效应在大多数性状中相当重要。

Sometimes root activity dominance effect the cotton rhizosphere soil bacterial community , sometimes pathogen invading influence is dominant .

对棉花根际土壤细菌群落组成的影响，有时根系的活动占主导地位，有时病原菌的侵入影响占主导地位。

The results are as follow : The additive effect , dominance effect and epistatic effect played different role in silkworm cocoon characters genetic variation .

研究结果表明：在茧质性状的遗传控制方面，显性效应、加性效应、上位效应所起的作用是不一样的；

Significant additive effect and 1 3 kinds of epistatic effects were found in all crosses and significant dominance effect were detected only in 1 / 3 crosses .

所有性状的各组合均有显著的加性效应和1～3种上位效应，1／3的组合有显著的显性效应。

The ratio of sum of additive effect variance to total genetic variance were 18.8 % , and that of sum of dominance effect variance to total genetic variance were 81.2 % .

在胚和母体两套遗传体系中，加性效应方差占总遗传方差的18.8%，胚显性方差与母体显性方差之和占总遗传方差的81.2%。

The tomato Late blight-resistant genotype additive effect was the main effect , part of dominance effect were also existed , no epistatic interaction effect was found Accord with additive-dominant model .

抗性遗传中加性效应是主要的，同时存在部分显性，没有上位效应，符合加性&显性模型。

Additive effect and dominance effect were significant at 0.01 probability level in additive-dominance model ; Narrow-sense heritability and broad-sense heritability were 40.17 % and 67.94 % , respectively .

在加性显性模型中加性效应和显性效应达极显著值，狭义遗传力和广义遗传力分别为40.17%、67.94%。

The results indicated that : the pri - mary gene effects on the callus rate were dominant and dominant-dominant , on green plant rate were additive and dominance effect and on albino plant rate was epistatic interaction .

结果表明：各组合出愈率存在明显的显性效应和显性×显性互作；绿苗率以加性效应和显性效应为主；

The results indicated that the resistances to TMV , CMV and bacterial spot conformed genetically to the additive-dominant model but the resistance to phytophthora blight did not and significant epistatic dominance effect existed in it .

结果表明，TMV、CMV和疮痂病抗性遗传符合加性-显性模型，疫病抗性遗传不符合加性-显性模型，还存在显著上位性效应。

Triploid endosperm and diploid maternal plant genetic effects were the major effects at the early filling stage , and diploid maternal plant genetic effects were at the middle filling stage and direct dominance effect and maternal dominance effect were at late filling stage and mature period .

其中灌浆始期以三倍体种子和二倍体母体植株效应为主，灌浆中期以母体植株遗传效应为主，灌浆后期和成熟期以种子直接显性效应和母体植株显性效应为主。

Dominance gene effect of spike length was higher than that of additive .

穗长为超显性，显性基因效应比加性基因效应更重要。

Heterozygote of the major gene shows complete dominance with dominance effect 14.97cm ;

主基因杂合体为完全显性，显性效应达14.97cm；

The main research results as follows : 1 . The irritable curing characteristic of all treatments are accord with 2 pairs of major genes with additive , dominance and epistatic effect plus additive and dominance polygene ( E1 ) model .

主要研究结果如下：1、烤烟烤性性状的遗传符合两对加性-显性-上位性主基因+加性-显性多基因（E1）模型。

The results indicated that additive and dominance effects , with the dominance effect predominating mainly controlled the nuclear resistance .

结果表明：玉米对小斑病T小种的核抗性主要受加性和显性效应控制，以显性效应为主。

The phytate content in rice grain had significant variance of genotype , which was controlled by genetic system of maternal plant and seed , which among them , seed direct dominance variance is the most important effect , next is maternal dominance effect and maternal additive effect .

水稻植酸含量存在显著的基因型差异，受母体植株及种子中遗传体系的共同控制，其中种子直接显性遗传效应占主导地位，其次是母体显性和加性效应。