显性效应

F1抽穗期的显性效应均不明显。

Dominant effect on the date of heading was not apparent .

对每个QTL（定量特征点位分析），均检测到加性和显性效应，但相对大小有不同，各QTL以部分显性、显性和超显性为主要遗传方式；

For each QTL , both additive effect and dominant effect were detected . Most QTLs had the genetic effect of partial dominance , dominance or overdominance .

对这些QTL的效应进行分析发现65%（15／23）的QTL表现为超显性效应。

Sixty five percent ( 15 / 23 ) of these QTLs showed obvious overdominance .

显性效应的QTLs有17个，占17.3%；

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

部分显性效应的QTLs有36个，占36.8%；

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

遗传主效应中以显性效应（VD）为主，加性效应（VA）次之。

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

7×7双列分析扩大了品种间差异，计算的遗传组成表明，F1育性变动可主要归因于加性及显性效应。

The diallel analysis in the 7 × 7 parent set magnified varietal differences . The computed genetic components suggested that the variations were due to the dominance and additive effects .

第1、2染色体上的QTL表现为超显性效应，第3染色体上的QTL表现为加性效应。

Two of them located on chromosomes 1 and 2 displayed over-dominant effects , and the other QTL mapped on chromosome 3 was additive .

在A、B位点上，基因型效应仅对肌肉嫩度有显著影响（P0.05），而基因效应中基因的加性效应显著（P0.05），显性效应不显著；

In A and B sites , the genotype effects were significant on pork tenderness only ( P0.05 ); the gene additive effects were significant ( P 0.05 ) but the dominant effects were not .

但F2群体无法设置重复；BC和DH群体分别不能计算加性效应和显性效应。

The F_2 population can 't be set repetition , and BC_1 , DH can not calculate the dominant and additive effect , respectively .

比较分析发现，两地一致在第2、3染色体上各检测到1个QTL，其中第2染色体上的表现为超显性效应，第3染色体上的表现为加性效应。

The QTL with high LR values could be consistently identified on chromosomes 2 and 3 over two environments , displaying over-dominant and additive effects , respectively .

在小穗育性上，三种环境均在6号染色体检测到QTL，以显性效应为主，遗传贡献率在9%以上。

About spikelet fertility , the same QTL with dominant effect was detected on chromosome 6 in the three environments , and its heritability was more than 9 % .

F1代和回交世代其显性效应达显著水平，F2代不显著，显性度为0.05&0.11，显性方向为正。

The additive effect was predominant and the dominance was very small but significant in F1 and backcross progenies , insignificant in Fe . The degree of dominance-ranged from 0.05 to 0.11 and the direction of dominance was positive .

结果表明，水稻对UV-B辐射增强主要性状抗性指标的遗传受加性和显性效应共同控制，其中以显性效应为主。

The result indicated that inheritance of the resistance to enhanced UV B radiation was controlled by both additive and dominant effects , but mainly by the dominant effect .

同时棉株在不同发育时期体内生化性状表达不同，在花铃期CAT、POD和SOD酶以显性效应为主，其次为加性上位性效应，加性效应表达量很小；

In boll-setting period , CAT , POD , and SOD existed dominant effects , the next were additive additive epistasis effects , and the additive effects were small . There were reciprocal relation and control among biochemical traits .

HX5对黑星病的抗性遗传以多基因的显性效应为主。

For resistance material HX5 , the heritability was mainly dominant effect of poly-gene .

对抽穗期QTL的加性效应，显性效应，加×加、加×显、和显×显上位性效应进行了估计，对遗传主效应与环境的互作效应作了预测。

Additive effects , dominance effects , epistatic effects of additive × additive , additive × dominance , and dominance × dominance of QTLs for heading date were estimated , the interaction effects between main genetic effects and environments were predicted .

基因效应分析发现72-Regent，Andor的加性效应，88-14的母体效应，{[（tower×81008）×81008]×非野}×955选系组合的显性效应较符合品质育种要求。

Gene effect analysis showed that the additive effect of 72-Regent and Andor , the maternal effect of 88-14 and dominant effect of the cross combination { [ ( Tower × 81008 ) × 81008 ] × Feiye } × 955 were up to the requirements of quality breeding .

研究结果表明，遗传方差组成中，基因的加性效应和显性效应都是显著的，但加性效应占相对主要优势，狭义遗传力（h2N）值为65%。

The results showed that the additive effects and the dominant effects of soluble solids content were significant , but the additive effects were predominated and the value of the narrow heritability was 65 % .

伸长率主要受基因的显性效应控制；

The major genetic effect is the dominant on fiber elongation .

第二个模型只包括简单的加性和显性效应。

The second one is a reduced model without maternal effects .

单铃重主要受基因的显性效应控制，显性效应是加性效应的24倍。

The dominant of boll weight is 24 times of the additive .

显性效应为-0.014和-0.09Kg。

Dominance effects were -0.014 and -0.09 Kg .

多基因效应主要表现为加性-显性效应。

Polygene acts in the manner of additive-dominance .

加性效应、显性效应以及上位性效应对沉淀值的遗传都有重要作用；

Additive , dominant and epistatic effects were important to the heritance of sedimentation values .

缬、亮和异亮氨酸含量主要受控于种子直接显性效应。

Valine , leucine and isoleucine contents were mainly controlled by seed direct dominance effects .

25%跨长、整齐度和比强度还存在极显著的显性效应；

2.5 % span-length , uniformity and fiber strength were showed highly significant dominant effects ;

加性、显性效应对环境差异的敏感程度相近；

The sensibility degree of additive and dominance effects to the environmental differences are similar ;

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。

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

纤维长度和比强度基因的加性效应和显性效应相当。

The additive effect is same as the dominant effect on fiber length and fiber strength .