我们发现很多基因突变以后在实验室条件下没有可见的表型。
Many genes have been found that, when mutated, show no visible phenotypic effects under laboratory conditions.
对达尔文来说，造成子代表型和父代表型存在差异的因素中，生物自身所起的唯一作用就是随机突变。
For Darwin, the only thing that organisms contribute to determining how next-generation phenotypes differ from parent-generation phenotypes is random variation.
Veltman认为，致病突变的鉴定有可能让临床医生进行疾病的产前检测，同时为有着相似表型的其它疾病提供了线索。
Veltman said that identifying the causative mutation could potentially enable clinicians to do prenatal testing for the disorder and also could shed light on other diseases with similar phenotypes.
以前发现的拟南芥中几个位点的隐性突变导致了木质部萎陷的表型，但没有观察到水分运输的缺失。
Recessive mutations in several loci of Arabidopsis were previously shown to lead to a collapsed xylem phenotype but water-transport deficiency was not observed.
这些机制的缺陷将导致突变表型的出现。
The deficiency of these mechanisms will cause the emergence of the mutator phenotype.
由于不同基因的突变相互之间的矫正，而导致患者表型相同。
Intergenic complementation — the ability of cells from patients with similar phenotypes due to mutations in different genes to correct one another.
通过观察XRCC基因突变体的表型，可以对其功能进行鉴定。
The functions of XRCC genes could be identified by studying their mutant phenotypes.
对T 2代双突变体植株表型初步观察显示，植株有明显矮化现象，但维管束和叶毛的发育基本正常。
Primary observation to T2-generation showed that double mutant plant had obvious dwarf phenotype, but had no defect in leaf trichome and vasculature.
本文对CYP3A4基因突变及其表型特征加以总结。
This review is about the gene mutation and phenotype of CYP3A4.
另外我们通过遗传分析得到了107的单突变体，发现其具有多样化的表型，如花器官发育有缺陷，叶边缘有很深的锯齿等。
The 107 single mutants were obtained by genetic analysis and exhibited pleitrophic phenotypes including defects in floral organ formation and deep leaf serrations.
评价应用临床信息，病理学特点和微卫星分析来鉴别具有突变子表型的散发性结直肠癌患者的可行性。
To assess the feasibility of using clinical informations, pathological features, immunohistochemistry and microsatellite analysis to identify patients with the mutator phenotype.
在无HLAA2表型的感染者中，其感染后5年病毒抗原表位肽段既无共有序列的变异，也无琥珀突变。
However, in the HLA A2 - individual, the epitope had neither variation nor amber mutation in 5 years after infection.
该位点基因突变异质性水平与亲缘关系、抽搐发作的早现性和血浆乳酸检测值等临床表型存在相关性。
The mutant heteroplasmy levels are positively associated with genetic relationship, seizure anticipation, plasma lactate data and other clinical features.
结论PAX9或MSX1基因突变导致的先天性缺牙表型有明显差异。
Conclusions PAX9 and MSX1 gene mutation can cause different phenotypes of tooth agenesis.
对突变体与野生型拟南芥在胁迫条件下的表型进行分析表明。 突变体nadk2在正常情况下，生长矮小，叶色黄绿。
The NADK2 knock out mutant (nadk2) showed obvious growth inhibition and smaller rosette leaves with a pale yellow color.
PLA1的表达模式和突变表型表明PLA1在发育中的叶原基中行使功能，影响叶片起始发育的时间以及营养生长的终止。
The expression pattern and mutant phenotype suggest that the PLA1 gene acting in developing leaf primordia affects the timing of successive leaf initiation and the termination of vegetative growth.
为了研究Lrp5如何影响骨特性，我们建立了骨细胞特异性表达诱导型Lrp5基因突变的小鼠，该基因突变可导致人类高和低骨量表型。
To understand how Lrp5 influences bone properties, we generated mice with osteocyte-specific expression of inducible Lrp5 mutations that cause high and low bone mass phenotypes in humans.
遗传分析表明，该突变表型由一对隐性基因控制。
结论该老年白内障患者MYH9基因未见致病性突变，其具有的严重临床表型可能与存在新的基因突变类型或新的致病基因有关。
Conclusions the presenile cataract with serious clinical entities may be resulted from a novel mutation or another novel pathogenic gene with MYH9? RD.
根据突变表型可将叶色突变体分为白化、黄化、绿白、黄绿、条纹等8种类型。
Based on phenotypes, these mutants can be divided into 8 types including albino, etiolation, jade green, pale green, olivine, stripe etc.
许多物种的滞绿突变体具有相似的表型特征，即衰老被延缓，叶绿素不降解或降解缓慢。
Stay-green mutations in a variety of plants have similar phenotype: delayed senescence, a block to chlorophyll degradation or delayed degradation.
目的研究中国人家族性肥厚型心肌病(HCM)的致病基因突变位点，分析基因型与临床表型的相互关系。
Objective to study the disease-causing gene mutations in Chinese hypertrophic cardiomyopathy (HCM) and to reveal the relationship between the genotype and the phenotype.
结果表明，突变型P53蛋白的表达与脑肿瘤的组织类型，分化程度及细胞的增殖有关，而它的高表达又可能是肿瘤恶性表型或转移的标志之一。
This results showed that mutant P53 expression was associated with a high Ki-67 LI and high histologic grade of tumors. P53 overexpression might be a genetic marker of tumor malignancy.
L127F突变可能为致病性突变，与严重的临床表型相关联。
The novel mutation L127F was considered as a pathogenetic mutation and associated with severe clinical phenotype.
与野生型相比，突变体除了整个植株变脆、纤维素含量降低约10%外，表型与野生型相似。
This mutant displays normal phenotype similar to its wild type plants except for the fragility of all plant body, with 10% decrease in the cellulose content.
遗传分析表明该突变体表型为隐性单核基因突变所致。
Genetic analysis indicated that it is controlled by a single recessive nuclear gene.
对叶片的解剖学分析发现突变体中脉缺少细胞和近轴小维管束，导致披叶表型的产生。
Leaf anatomy results revealed the central vein lacks both clear cells and the adaxial small vascular bundle in dl2 mutant, which seemed to cause the drooping leaf phenotype.
该突变体苗期表型正常，分蘖期株型松散，分蘖角度较野生型显著增大，株高明显降低。
At the seedling stage, tac2 displayed normal phenotype and its tiller Angle significantly increased at the tillering stage compared with wild type.
该突变体苗期表型正常，分蘖期株型松散，分蘖角度较野生型显著增大，株高明显降低。
At the seedling stage, tac2 displayed normal phenotype and its tiller Angle significantly increased at the tillering stage compared with wild type.
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