離異遺傳 的英文怎麼說

中文拼音 [líyìyízhuàn]
離異遺傳 英文
dissected inheritance
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 異 : 形容詞1 （有分別; 不相同） different 2 （奇異; 特別） strange; unusual; extraordinary 3 （另外的;...
  • 遺 : 遺動詞[書面語] （贈與） offer as a gift; make a present of sth : 遺之千金 present sb with a gener...
  • 傳 : 傳名詞1 （解釋經文的著作） commentaries on classics 2 （傳記） biography 3 （敘述歷史故事的作品）...
  • 離異 : dissociation; separate; divorce
  • 遺傳 : [生物學] heredity; hereditary; inheritance; inherit
  1. Cluster analysis by upgma methods indicated that these five stocks might be divided into three clusters. results of rapd a nalysis suggested that extensive genetic diversity was detected in this species and the genetic divergence among stocks was relatively high ; upgma phylogenetic tree showed there existed three geographic populations of p. polyactis in the yellow sea and the east china sea, which supported the previous conclusion by morphological and ecological methods. part two : the genetic diversity between trichiurus lepturus and eupleurogrammus muticus random amplified polymorphic dna ( rapd ) technique was applied to 12 individuals from each species of the hairtail fishes trichiurus lepturus and eupleurogrammus muticus collected from the yellow sea

    50一2 . 44 ） ，群體內和群體間的遺傳變異比例分別為69 %和31 % ;群體間的平均遺傳相似度和遺傳距離分別為0 . 9139和o . q861 ;用非加權配對算數平均法（ unweightedpair - groupmethodofari山m七tiome即s ， upgma ）聚類分析的結果表明，所分析的5個群體可被分為3個地理群系，從分子水平上支持了過去有關學者把黃海和東海的小黃魚劃分為北中南3個地理群系的觀點。
  2. Heredity modes of 6 traits were studied by analysis of population genetics, by the method of family combination analysis, by the methods of proband ' s sib analysis, segregation analysis, the threshold model of polygenes, and analysis of typical family trees, according to the data of the 72 families. the relative importance between genetic and environmental effect on each character was evaluated by comparing the coherence of twins. gene frequencies of 5 genetic characters, calculated from han group in huhhot, were compared with other groups by u - test so as to study the population or nationality difference in heredity

    採用群體遺傳學分析、家系組合分析法、先證者同胞法、分離分析法及多基因閾值模式分析方法對所得家系資料進行了統計學分析，結合家繫系譜分析探討了上述6項特徵的遺傳方式；通過雙生子一致率的比較，對上述特徵的遺傳與環境效應的相對重要性進行了評價；計算了呼和浩特市漢族群體5對遺傳性狀的基因頻率，採用u檢驗方法與相關文獻報道的其他群體進行了比較，探討了不同種族間或民族間的遺傳差異性。
  3. These groups did not correlate closely with leaf or flower color, but there were similarities for leaf and / or flower color in some subgroups. two accessions ofl. chinense showed closely with 2 small - leaf accessions of l. chinense vai. rubrum. the distances between l. chinense and l. chinense vai. semper - rubrum was closer than that between l. chinense and l. chinense var. rubrum

    （ 5 ） 7與9 ， 8與10 ， 13與16在形態上都有較大差異，但rapd結果表明二者的距離較近，說明種內形態差異較大的個體之間的遺傳距離有時可能也比較近。
  4. The authors discovered four peculiar phenomena, i. e., the self seed - setting and its genetic stability of the autoteraploid rice, the early - generation stabilization in the cites between alloploid rices, the self embryogenesis of autoteraploid rice wider isolated conditions, and a high seed - setting percentage in some plants of autotetraploid rice after the treatment of ion beam, in the research of autotriploid and autotetraploid rices

    在對同源三倍體水稻和同源四倍體水稻的研究中發現了值得注意的4種奇特現象，即同源三倍體水稻的結籽現象及其倍性的遺傳穩定性、在異倍性水稻間的雜交後代中早世代性狀穩定遺傳的現象、在隔離條件下同源四倍體的胚自發現象和離子束注入后同源四倍體水稻單株的高結實現象。
  5. 81 % and 58. 82 % in those of the control plants respectively. all showed that low - energy ions cause the seed germination vigor to decrease

    由此可見，低能離子注入不僅可以引起擬南芥苗的生長狀態和表型的變異，而且部分變異是可以穩定遺傳的。
  6. The obtained results do not support a major gene for body mass index in chinese, the discrepancies between our study and previous studies may result from ethnic difference between chinese and other populations ; the general model provides the best fit to the data, while the environmental model is the second parsimonious model, perhaps due to complex mode of body mass index inheritance ; a moderate heritability estimate is found for body mass index ( h2 = 0. 313 ), lower than that of other populations, this is presumably due to the fact that aside from the influence of genetic bases, body mass index is strongly influenced by environmental factors and that there is a low proportion of obese individuals in samples ( only 4. 1 % individuals have body mass index > 30 )

    分離分析的結果表明， （ 1 ）體重指數不存在主基因分離，不同於在其他非中國人群中檢測的結果，說明存在種群差異性； （ 2 ）一般模型提供了最合適模型，環境模型是次之的嚴格模型，可能由於體重指數遺傳模式的復雜性所致； （ 3 ）中國人群中體重指數具有適中的遺傳率（ h ~ 2 = 0 . 313 ） ，低於其他人群中的結果，這是由於體重指數除了受遺傳因素影響外還受環境因素影響及樣本中低比例的肥胖個體（ 4 . 1的個體bmi 30 ）的原因。
  7. The percentage of polymorphic sites, degree of genetic polymorphism and genetic distance were compared and the phylogenetic tree was constructed by neighbor - joining method. the partial mitochondrial 16s rrna gene was amplified by polymerase chain reaction ( pcr ) and the pcr products were directly sequenced after purified. these sequences, together with the homologous sequences of another trichiuridae species lepidopus caudatus obtained from genbank were used to analyze nucleotide difference and to establish a upgma phylogenetic tree by means of biological informatics

    汝us價ay1830 ）各12個個體進行rapd分析，對比多態位點比例、遺傳多態度以及遺傳距離，並構建neighbor - join噸系統樹;通過pcr擴增出線粒體165rrna基因，純化后直接測序，利用生物信息學方法進行序列分析和核昔酸變異比較，結合ge紅bar止中大西洋叉尾帶魚（ lepid （護腳caud玫tuseuphrasen1788 ）同源序列構建u甲cm叭系統樹。
  8. Several results were concluded : firstly, the population of t. jackii was decreasing sharply and its living area was contracting, so the percentage of genetic variance among t. jackii populations was lower than that within its population ; secondly, its genetic diversity index was relatively high ; thirdly, according to its gene flow index, the population disintegration of the species could be prevented by genetic communication among populations of the species ; finally, the similar index between the populations from jiangshi nature reserve and from xufan reservoir was higher than that between the populations from jiangshi nature reserve and from xufanggeng, corresponding with the fact that it is nearer between jiangshi nature reserve and xufan reservoir than that between jiangshi nature reserve and xufanggeng

    2 、長葉榧的遺傳多樣性分析，分析了多態位點百分率（ percentageofpolymorphicsites ） 、 nei氏基因多樣性指數（ nei 』 sgenediversityindex ） 、 shannon信息指數（ shannon 』 sinformationindex ） 、居群間的相似系數（ geneticsimilarityindex ）和遺傳距離（ geneticdistance ） 、遺傳變異在居群間和居群內的分佈（ thepercentageofvarianceamongandwithinpopulation ）及基因流（ geneflow ） 。結論是：分佈在群體間的遺傳變異較分佈在群體內的遺傳變異小，說明該生物的分佈范圍越來越狹小。
  9. Simple genetic algorithm gets local minimization too easily and converges slowly. to solve these problems, adaptive crossover rate that has reverse hyperbolic rel ation with the numbers of iteration is designed, and adaptive mutation rate that has reverse proportion to the distances of parents and reverse exponential relat ion to the numbers of iteration is put forward. the practical simulation results show that the adaptive ga has greater convergence speed and larger probability o f getting the best solution

    簡單遺傳演算法存在著收斂速度慢、易陷入局部極小等缺陷.針對這些缺陷，本文設計出隨相對遺傳代數呈雙曲線下降的自適應交換率，並提出與父串間的相對歐氏距離成反比、隨相對遺傳代數指數下降的自適應變異率.實例驗證表明，具有自適應交換率和變異率的遺傳演算法在收斂速度和獲得全局最優解的概率兩個方面都有很大的提高
  10. Based on the genetic algorithm ' s global searching capability with probability regulation and euclid ' s space distance metric to settle multi - objective, the algorithm that integrates multi - objective ' s decision - making into the modified genetic algorithm to solute the optimal model with discrete variables and multi - objective is proposed. during the algorithm ' s design, the euclid ' s space distance metric is proposed to transform the multi - objective problem into single objective problem. and some modified measure to fitness function and crossover probability and mutation probability are used to improve the performance of the algorithm and avoid premature convergence

    演算法設計過程中，利用歐幾里德空間距離準則和罰函數法，將含有約束條件的多目標規劃問題轉化為無約束的單目標優化問題；針對簡單遺傳演算法出現的早熟，構造隨進化代數動態調整適應度的適應度函數和隨個體適應度自適應調整的交叉、變異概率；提出比例選擇與精英保留策略相結合的選擇、兩點交叉和簡單變異的改進遺傳演算法。
  11. The principal component analysis was conducted on 10 major agronomical traits of 72 indica rice varieties from 6 ecotypes ( taihu india, irri indica yungui indica, south china indica, korea indica and huazhong indica ), and the genetic diversity among the ecotypes was analyzed on the basis of their principal component values

    摘要利用6個秈型水稻生態型的72份親本為材料，對主要農藝性狀進行主成分分析，以歐氏距離為指標，研究了各生態型間遺傳差異。
  12. The aim is to characterize the antigenic epitopes of prrsv isolates from different parts of china with a panel of 11 monoclonal antibodies raised against american prrs isolate isu - p

    採用ifma 、 rt - pcr及rflp方法對國內分離毒株的gp3 、 gp5和n蛋白抗原多樣性及其orf5和orf7的遺傳變異性進行了比較研究。
  13. The antigenic and genetic variability of porcine reproductive and respirators syndrome virus ( prrsv ) isolates in china were studied by immunofluoresent monolayer assays ( 1fma ) and restriction fragment length polymorphism ( rflp ) of reverse transcription ( rt ) and polymerases chain reaction ( pcr ) amplified - prrsvorfs fragments among 8 chinese isolates

    本研究通過對豬繁殖與呼吸綜合征病毒（ prrsv ）國內分離毒株的gp3 、 gp5和n蛋白的抗原性比較及其orf5和orf7遺傳變異性分析，系統研究了國內分離毒株的抗原特性和遺傳學差異。
  14. In the laboratory experiment part, human peripheral blood, cultured cells and icr mice were study objects. the changes of mitotic chromosome numbers were measured by human metaphase chromosome counts and statistic analyzed used x2 - test. the changes of meiotic chromosome numbers were measured by mice one - cell zygote chromosome counts and statistic analyzed usedx2 - test. the effects of low dose ionizing radiation on the expression of topoisomerase ii were measured by immunocytochemistry, western blot and rt - pcr

    流行病學結果顯示長期小劑量輻射接觸與染色體不分離呈正相關，為進一步在細胞遺傳學和分子生物學方面研究小劑量電離輻射與染色體不分離關系及其機制，本課題第二部分以外周血、培養細胞、 icr小鼠為研究對象，用外周血染色體計數和單細胞受精卵染色體計數的方法研究小劑量輻射和拓撲異構酶復旦大學2000級博士生學位論文11a抑制劑及其二者的協同效應對有絲分裂和減數分裂染色體不分離的影響，用免疫細胞化學染色、 westernblot 、 rt pcr等方法研究了電離輻射引起拓撲異構酶a表達變化。
  15. With respect to genetic similarity, genetic distance and cluster analysis among samples of f1 generation, it showed that the most genetic identity is between jfp and jmp, ( i = 0. 9934, dnei = 0. 0066 ), the next was between jp and jmp ( i = 0. 9873, dnei = 0. 0128 ), the third was jp and jfp, with i = 0. 9681, dnei = 0. 0325 ; the fourth was jp and cp, with i = 0. 9035, dnei = 0. 1015 ; the fifth was cp and jmp, with i = 0. 8862, dnei = 0. 1208, and the furthest was between cp and jfp, with i = 0. 8648, dnei = 0. 1452

    由此可以看出在此四組中，雜交組的遺傳變異明顯高於自交組的，雜種優勢已初步顯示出來。而在兩雜交組中，日雄中雌雜交組又優于日雌中雄組中自交組。群體間遺傳相似系數和遺傳距離及聚類分析結果表明：兩雜交組間的遺傳相似系數最大，遺傳距離最小，僅為0 . 0066 ，而中自交組群體與日雌中雄雜交組群體的遺傳距離最大為0 . 1452 ，兩自交組群體間的遺傳相似系數為0 . 9035 ，遺傳距離為0 . 1015 。
  16. The rest mutations in pp38 and pp24 are at random. sequence analysis also shows the first 195 nuclear acids of pp38 and pp24 are the same except for the 81 site ( g / c ), but this mutation does not cause the change of amino acid. we regard this as a genetic marker connecting with geography in the evolution of mdv but not related to isolated time and pathotype of different strain of mdv i

    對pp24基因和pp38基因進行同源性比較分析的結果表明，絕大多數毒株二者的前195個核苷酸完全一致，不同毒株間的第81位核苷酸的差異（ g / c ）並不引起編碼的氨基酸變化，僅僅與地域分佈有關，這很可能是mdv在長期病毒衍化過程中形成的地域性遺傳標志，而與病毒的分離年代及mdv的致病型等因素無關。
  17. At the aspect of examining genetic similarity and distance, there was difference between the results obtained by two techniques. the genetic diversity revealed by issr was higher than that obtained by rapd

    在遺傳相似性和遺傳距離上，兩種方法的分析結果也是有差異的ssr分析的群體間的遺傳距離均比rapd的分析結果高；遺傳分化系數的差異也很大， issr在0
  18. Based on these results, the strategies for conservation e. mollis population to prevent the isolation and fragment of the populations and maintain the high genetic variation among the populations. moreover, it should be avoid the decline of gene flow was resulted from the isolation of the populations so that resulted in the differentiation and genetic decline of the population. finally, it should be adopt some method to spread continuous distribution and extend genetic diversity of the population

    針對翅果油樹的遺傳結構和遺傳多樣性的研究結果，提出了保護翅果油樹種群的策略：維持現有翅果油樹種群高的種內遺傳變異水平，遏制由於人為原因而導致的翅果油樹種群隔離或片段化的趨勢，防止由於種群隔離造成基因流降低，從而引起種群分化和種群的遺傳衰退，並採取適當措施擴大種群的連續性和種群內的遺傳多樣性水平。
  19. The main factors of probabilistic neural network including the hidden neuron size, hidden central vector and the smoothing parameter, to influence the pnn classification, are analyzed ; the xor problem is implemented by using pnn. a new supervised learning algorithm for the pnn is developed : the learning vector quantization is employed to group training samples and the genetic algorithms ( ga ’ s ) is used for training the network ’ s smoothing parameters and hidden central vector for determining hidden neurons. simulations results show that, the advantage of our method in the classification accuracy is over other unsupervised learning algorithms for pnn

    本文主要分析了pnn隱層神經元個數，隱中心矢量，平滑參數等要素對網路分類效果的影響，並用pnn實現了異或邏輯問題;提出了一種新的pnn有監督學習演算法:用學習矢量量化對各類訓練樣本進行聚類，對平滑參數和距離各類模式中心最近的聚類點構造區域，並採用遺傳演算法在構造的區域內訓練網路，實驗表明:該演算法在分類效果上優于其它pnn學習演算法
  20. A diploid - dependent regulatory apparatus was proposed by prof. luo et al to regulate gene expression. the haploid condition results in obstruction of gene expression and abnormal development because the diploid - dependent regulatory apparatus will regulate gene expression in the haploid embryos according to the same rule as in the diploid embryos. to study the difference at the protein expression level of the embryos of haploid and diploid in development and to identify the important proteins associated with the embryonic development, we extracted the total proteins of both the gynogenetic haploid and diploid embryos of goldfish in the same eye formation stages ( divided into the substages of he - 1 and de - 1, he - 2 and de - 2, he - 3 and d e ~ 3 respectively )

    為了研究在金魚雌核發育單倍體和二倍體胚胎發育過程中的蛋白質表達水平的差異，並鑒定一些與發育相關的重要蛋白質，我們以遺傳背景一致的金魚雌核發育單倍體和正常二倍體的相應眼睛形成的發育階段的胚胎為材料（ 3個時期，分別為he - 1和de - 1 ， he - 2和de - 2 ， he - 3和de - 3 ） ，然後提取胚胎的全蛋白，用二維聚丙烯酰胺凝膠電泳的方法進行蛋白質點的分離，獲得了質量較好的凝膠圖譜，結果顯示大部分蛋白質點分佈在ph5 - 10 ，相對分子質量在10000 - 50000da 。
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