遺傳不分離 的英文怎麼說

中文拼音 [zhuànfēn]
遺傳不分離 英文
genetic non disjunction
  • : 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)...
  • : 名詞[書面語] (剁物所用的木墩) a block of wood
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
  • 遺傳 : [生物學] heredity; hereditary; inheritance; inherit
  1. The results showed that the mean proportion of polymorphic loci ( ppb ) of anabasis aphylla, which comprised 3 subpopulations ( 58 individuals sampled ), generated by 16 primers was 94. 56 %, the value of ppb of ceratocarpus arenarius, which had 4 subpopulations ( 80 individuals sampled ), using 16 primers was 98. 00 %. the paper had proved that the higher genetic diversity and the genetic differentiation existed in the populations of boih anabasis aphylla and ceratocarpus arenarius, while the latter had much more genetic diversity than the former. moreover, the study discussed the shannon information index and nei ' s gene diversity index of the two species natural populations, which indicated that there were more genetic variations within the subpopu

    另外,通過rapd資料的聚類析及相關性析研究,發現無葉假木賊和角果藜自然種群的結構與綠洲沙漠過渡帶的微生境生態因子(主要是土壤因子)相關,其中無葉假木賊亞種群多樣性水平僅與土壤含水量( w ) 、鉀鈉子濃度( k + na )和氯子濃度( cl )呈顯著的正相關( p 0 . 05 ) ,還與土壤中有機質( som ) 、全氮( nt )和全磷( pt )含量呈顯著的負相關;同時,角果藜種群的多樣性水平與土壤中有機質( som )和全氮( nt )含量呈顯著的正相關,而與co _ 3 ~ ( 2 - )濃度呈顯著的負相關;除此之外,其它土壤生態因子與兩物種多樣性水平的相關性均顯著(卜0 . 05 ) 。
  2. A genetic transformation model for the brown seaweed undaria pinnatifida has been primarily set up by using micro - particle bombardment as the method, female or male gametophytes as the gene recipients, hybridization as the regeneration route and chloramphenicol, hygromycin or basta as selective reagents

    本文從轉化受體、轉化方法、報告基因、再生途徑、篩選方法等方面對裙帶菜的轉化進行了研究。首先,並建立了裙帶菜雌雄配子體的無性繁殖系,進行了裙帶菜的同再生途徑的研究。
  3. The results show that the genetic diversity of filial generations is higher than self - bred progeny ’ s , the hybrid vigor has manifested at metabolization level 。 the proportion of polymorphic loci ( p. 99 ) in f1 generations was 30. 77 - 36. 36 % , the mean observed heterozygosity ( ho ) of jmcf ( japanese male chinese female ) was the highest with 0. 1727, the rest populations were : jfcm ( japanese female chinese male ) 0. 1536 、 cp 0. 1273 and jp 0. 1055 , the mean effective number of allels per locus in f1 generations : cp ’ s was the highest with 1. 7318 , jp ’ s was the lowest with 1. 6718 , the filial generations ’ values were in the midle of the cp ’ s and jp ’ s and between them there was no brightly difference, with 1. 6955 ( jfp ) and 1. 6927 ( jmp )

    各組的平均雜合度預期值也表現出該趨勢,即:日自交組最低,為0 . 1786 ,日雄中雌雜交組的平均雜合度最高,為0 . 1964 ,日雌中雄雜交組和中自交組別是0 . 1891和0 . 1865 。 hardy - weinberg平衡下指數也是雜交組的小於自交組的,平均每個位點的等位基因有效數目中自交組最高為1 . 7318 ,日自交組最低為1 . 6718 ,兩雜交組群體的這一指數相差多,別是1 . 6955和1 . 6927 ,位於兩親本的中間水平。
  4. Genetic diversity and phylogeny of 55 slow - growing rhizobia isolated from peanut ( arachis hypogaea ) in china were determined by analysis of host - plant range, phynotype, 16s rrna rflp, 16s rrna sequence, 16s - 23s igs rflp, rapd, rep - pcr, dna - dna hybridization homology. at the same time, the competitive nodulation capacity of rhizobia, effect of host plants and soil ph on the rhizobia were determined for screening and improvement of high effective rhizobium inoculant

    本研究採用宿主范圍試驗、表型性狀測定、 16srrna - rflp 、 16srrna序列析、 16s - 23srdnaigsrflp析、 rapd析、 rep - pcr析和dna - dna同源性析等技術系統研究了從我國同地域的55株花生根瘤菌的多樣性及其在根瘤菌系統發育中的地位和相互關系。
  5. 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

    採用群體析、家系組合析法、先證者同胞法、析法及多基因閾值模式析方法對所得家系資料進行了統計學析,結合家繫系譜析探討了上述6項特徵的方式;通過雙生子一致率的比較,對上述特徵的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,探討了同種族間或民族間的差異性。
  6. In the first part, the concepts of the completely normal spaces and strong completely normal spaces in l - topological spaces are defined, which are the generalization of the completely normal spaces in general topological spaces. they are some good properties such as hereditary, weakly homeomorphism invariant properties, good l - extension, but they are n ' t producible in general. moreover, their several sufficient and necessary conditions in induced spaces are presented

    第一部的主要內容如下:第一部這一部是將一般拓撲學的完全正規性的概念推廣到了l -拓撲空間,給出了l -拓撲空間的完全正規性和強完全正規性的定義並討論了它們的若干性質,比如,它們都是可的,弱同胚變的, 「 lowen意義下好的推廣」等。
  7. In this work, some species of palmae cultivated in the xiamen botanical garden had been selected to be analyzed their genetic diversity with rapd ( random amplified polymorphic dna ) technique. according to the result of genomic dna amplified with pcr ( polymerase chain reaction ), genetic distance and similarity between different palm species were calculated on nei " s estimate of similarity and genetic distance. a primary but first time research at the phylogenetic relationships of some genera and species, the molecular classification and identification of some puzzling species of palmae was carried out through upgma ( unweighted pair group mean average ) cluster analysis of the genetic distance together with comparative study of the morphological structure characteristics

    本文在初步調查析了棕櫚科植物在我國的自然佈、引種馴化情況以及該類植物在廈門地區栽培應用狀況的基礎上,首次採用rapd子標記技術,對廈門萬石植物園引種的一些棕櫚科植物的多樣性進行了研究,根據pcr對基因組dna擴增的結果,用nei ' s相似性系數計算了同植物間的一致度,通過對的upgma聚類析,並結合形態類的特點,對棕櫚科植物的屬、種間的系統類關系和一些疑難種的類鑒定進行了初步研究。
  8. Phylogeny analysis is performed with phylip software package and encoding sequence of bdnf gene. the phylogeny trees have been drawn with three different methods ( maximum parsimony method, genetic distance method and maximum likelihood method ), respectively. the analysis outcomes are not all consistent for the reason that it is closely related to the selected methods and the conservative level of the sequences

    採用同的統計學析方法,最大簡約法( maximumparsimonymethod ) 、最大似然法( maximumlikelihoodmethod )和法( geneticdistancemethod ) ,得到了物種系統發育進化樹,但拓撲結構並完全一致,這是可能是因為子系統學研究與採用的析方法和所選基因的保守程度即作為子標記的可信度密切相關。
  9. 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,低能子注入僅可以引起擬南芥苗的生長狀態和表型的變異,而且部變異是可以穩定的。
  10. 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 )

    析的結果表明, ( 1 )體重指數存在主基因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,可能由於體重指數模式的復雜性所致; ( 3 )中國人群中體重指數具有適中的率( 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。
  11. The software system of smart spaces distinguishs ifself from traditional distributed systems in that : 1 ) they should deliver functionality in our everyday world, which is a complex and dynamic changing environment ; 2 ) the system will consist of many wireless networked devices, while wireless connection is prone to transient failure ; 3 ) the interaction points for the people are distributed and multimodal, which imposes tight temporal constraints on the messaging between related modules ; 4 ) modules coming from diversified domains need to cooperate, which raise the need for an abstraction model at a proper level for the construction of the system

    智能空間系統具有區別于散式系統的新特徵: 1 )背景環境是復雜、動態的物理空間,新的模塊可能隨時進入和開; 2 )存在大量無線聯網設備,而無線網的一個典型特徵是暫時性故障頻繁; 3 )系統的交互點是佈和多模態的,相關的模塊間消息的時間關系要求嚴格; 4 )各種同應用領域的模塊都可能需要交互協作,同時需要考慮對留代碼的包容性。
  12. Clustering analysis showed that plants in the genus of p. salicina could be distinguished from those in the genus of p. ameniaca ; there was some genetic relationship among p. mume, p. salicina and p. ameniaca, of which p. ameniaca was closer to p. mume in genetic relationship ; and the distance between varieties of each genus was different, with the smallest being 0. 1138 and largest being 0. 7633. the genetic distance reflects genetic relationship between tested materials. the result that varieties of each genus were close to each other in genetic relationship testified the traditional morphology - based taxonomy from the genomic dna

    同引物擴增出的帶型完全同,聚類析結果表明,李屬植物和杏屬植物能完全被區開,李、杏和梅之間表現出一定的親緣關系,其中杏,梅之間的親緣關系較近,各屬品種之間都有同的,最小距為0 . 1138 ,最大距為0 . 7633 ,的大小反映了材料間親緣關系的遠近,各屬內品種的親緣關系比較近,這一聚類結果從供試材料基因組dna子水平驗證了統的形態學類觀點。
  13. Two strains of prrsv were isolated from the swine infected with prrsv in shangdong province and daqing area, in order to clarify the source and genetic background of porcine reproductive and respiratory syndrome virus ( prrsv ) from different parts of china, thus providing theoretic basis for the study of vaccine against it. the prrsv was cultured on mark - 145 cells for 5 ~ ~ 6 passages. when the cpe was obvious, the virus was harvested and purified

    為了弄清我國同地區prrsv的來源以及其學背景,為疫苗學研究提供理論根據,本研究在ch - 1a株完整的基因組獲得以後,從流行於我國山東( sd )和黑龍江大慶( dq )地區疑似prrs的豬體內到prrsv ,在mark - 145細胞上盲5 6代,細胞出現明顯病變以後,收獲病毒液,然後提純,提取全病毒rna ,經過反轉錄、 pcr擴增獲得結構基因orf2 7的目的基因片斷,然後與pmd - t載體連接,轉化,得到陽性質粒后進行測序,並將其與ch - 1a株進行了比較析,同時對這兩個毒株的結構基因組的理化性質進行析。
  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呈正相關,為進一步在細胞學和子生物學方面研究小劑量電輻射與染色體關系及其機制,本課題第二部以外周血、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裂和減數裂染色體的影響,用免疫細胞化學染色、 westernblot 、 rt pcr等方法研究了電輻射引起拓撲異構酶a表達變化。
  15. Lastly, the rapd method make the effects of the ion beam irradiation induced the arabidopsis thaliana dna clear. and in the molecule level explain the results of the different doses act on the arabidopsis thaliana dna and the molecule mechanisms

    利用rapd方法揭示了子注入對擬南芥dna多態性的影響,並在子水平上揭示了輻照的同劑量對擬南芥多態性的影響,闡明了子誘變的子機制。
  16. Validation study of forensic science was carried out using forensic samples such as hair, nail and badly degrade bone. the method has also been used in case work to validate the practicability. maga2 software was employed to analyze the genetic distance between samples and construct the phylogenentic tree

    用毛發、指甲、微量血痕及各種陳舊骨骼樣本對所建立的方法進行法醫學有效性測試,並用實際案例驗證其實用性;應用所建立方法對漢族、黎族、維吾爾族、瑤族、藏族無關個體樣本共446份進行序列析,調查同民族mtdna多態性;應用mega2軟體對所得各民族數據做進化距析,並構建各民族內部和民族間的系統發育樹,探討各民族間的關系。
  17. The dna fingerprinting patterns in this study are made to help identification of wild matsutake resources and their tissue isolates under various ecological environments fit for the artificial taming of matsutake

    鑒于目前松茸菌絲體培養困難,制備松茸子實體的dna指紋圖譜,為鑒定同生境下獲得的組織物之真偽提供了依據。
  18. 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,同毒株間的第81位核苷酸的差異( g / c )並引起編碼的氨基酸變化,僅僅與地域佈有關,這很可能是mdv在長期病毒衍化過程中形成的地域性標志,而與病毒的年代及mdv的致病型等因素無關。
  19. These results are consistent with the results from gross and salzstein and so on. osteoblast is the seeded cell of bone tissue engineering. now, in order to research the response of the osteoblast when it is cultured with mechanical stimulating, the paper consider the osteoblast as an homogeneous, isotropic, incompressible viscoelastic medium

    由於成骨細胞是骨組織工程的種子細胞,為研究其在機械刺激體培養下的受力情況,論文將成骨細胞看作是一種均勻、各向同性、可壓縮粘彈性體,然後應用數值方法將物理關系中的展開,從而導出物理關系的矩陣形式。
  20. Chromosome disorders, one of the most important genetic diseases, are the most frenquent cause of mental retardation. these disorders are thus important public health problems for no entirely satisfactory prevention measures now exist

    染色體所導致的疾病是最主要的病之一,也是導致智力發育障礙的最主要原因,其發生給社會和家庭帶來極大的負擔,其中以down綜合征( ds )最為常見。
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