遺傳品系 的英文怎麼說

中文拼音 [yízhuànpǐnxì]
遺傳品系 英文
genetic strain
  • 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）...
  • 品 : Ⅰ名詞1 （物品） article; product 2 （等級; 品級） grade; class; rank 3 （品質） character; qualit...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 遺傳 : [生物學] heredity; hereditary; inheritance; inherit
  1. From the agronomic point of view, a field planted to a multiline need not appear different from a field planted to a genetically uniform cultivar.

    從農業實踐看，栽培多系品種的田塊與栽培遺傳上均一品種的田塊未必有區別。
  2. And l. mollis hemsl, a random amplified polymorphic dna ( rapd ) analysis was performed for the first time. the screening of 40 decamer oligonucleotides allowed the selection of 11 primers used for the analysis, the dna fingerprints of 10 samples were constituted and the genetics evidence was furnished. to study on the contents and chemical constituents of essential oil from leaves and fruits of different species of litsea lam, the chemical compositions were separated and identified by gc / ms

    為了評價山雞椒和毛葉木姜子的不同品種和品系，採用rapd技術，從40個引物中篩選出11個特徵引物，首次獲得山雞椒和毛葉木姜子以及它們的栽培品系的dna分子指紋圖譜，從分子水平上較全面地評價了各樣品間的親緣關系，從而為栽培品種的劃分提供了一定的遺傳學上的證據。
  3. In this study, genetic diversity of various strains of spirulina platensis is analyzed with rapd molecular marker and antibiotics marker, the results are compared with their morphologic characters, aimed at constructing a more reasonable classification criterion and knowing more about the genetic background of spirulina. additionally, it is found that under the cultivated condition the linear filament can retransite to the normal curved one which is similar to original spiral filament

    本論文利用rapd分子標記及抗生素抗性標記分析了不同鈍頂螺旋藻品系的遺傳多態性，並與其形態學特徵進行了比較，以期建立更合理的螺旋藻分類方法及加深對螺旋藻遺傳背景的了解；同時，發現在養殖環境下變直藻絲體可以回變為正常螺旋形態的現象。
  4. This paper describes a strategy that has developed to transfer the cdna of tobacco mnsod gene into the commercially important breeding line - baoding alfalfa via agrobacterium infection. transgenic alfalfa plants have been generated that overproduce a nicotiana plumbaginifolia l. manganese superoxide dismutase ( mnsod ). the results domenstrated that baoding alfalfa is an important breeding line which easily amenable to genetic transformation

    本研究採用我國農藝性狀優良的豐產苜蓿品種保定苜蓿，通過農桿菌介導的轉基因方法，使用特定的質粒載體pchlsod將煙草mnsod基因的cdna序列導入保定苜蓿中，說明保定苜蓿是一種易於遺傳轉化的優良苜蓿育種品系。
  5. The morphological diagnostic characters for many mature and early instar larvae are still lacking in china. partial sequences of the mitochondrial cytochrome oxydase i and ii and a transfor rna ( co i co ii and trna ) gene of the adults and larvae from caddisflies were. lepidostomaflavum, l. fui, l. arcuatum, paraphlegopteryx morsei, apsilochorema unculatum and apsilochorema hwangi, and the larval and adult stages of these species were sequenced and associated

    採用dnastarpackage中的editseq軟體進行序列編輯、 orf查找；採用clustalx軟體進行序列比對（ alignment ） ；比對結果輸入mega2 . 1軟體計算各樣品間的遺傳距離，並基於kjmura2 - parameter模型，用鄰接法（ neighbor - jojning ， nj ）構建系統發生樹，通過自展（ bootstrap1000次）檢驗獲得系統樹分支的置信度。
  6. Quality of oil determined by the constituents and proportion of fatly acid components, and the understanding of heredity of fatty acid components is of importance to breeding for good quality soybean varieties

    摘要利用5個大豆品種配製20個雜交組合，採用廣義種子遺傳模型分析了大豆脂肪酸組分的胚、細胞質和母體植株等3套遺傳體系的基因主效應和基因型環境效應。
  7. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀的品種（系）配製完全雙列雜交組合20個，通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應小，不存在母體效應，並以加性遺傳效應為主，分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高，分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大，分別為13 . 3 %和3 . 5 % ，達到了極顯著;鈴重的超親優勢為2 . 0 % ，不顯著;衣分為顯著的負值（ - 2 . 1 % ） .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上，親本相當配製的組合雜合顯性較高，其超親優勢正向顯著，而極值親本（差異較大）所配組合沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關，遺傳改良的難度較大
  8. This study was conducted to examine the interrelationship of 10 seed vigor traits in 12 wheat genotypes through variance, co - variance and path coefficient analysis, to determine broad - sense heritability, and to estimate genetic advance under selection. the genotypes showed significant difference for all traits, except for percentage of normal seedling. genetic correlation between conversion efficiency of seed reserve, electrical conductivity with other traits were not significant, showed that selection for any of them might be possible without hampering any other traits. however path coefficient analysis indicated that conversion efficiency of seed reserve, seed reserve utilization ratio have strong direct effect in affecting seedling weight, and that mean germination time has significantly negatively correlated in affecting gi. moderate to high estimates of broad - sense heritability, genetic coefficient of variation and expected genetic advance were obtained for electrical conductivity, germination index, mean germination time, seed dry weigh, seedling dry weigh, seed reserve depletion ratio indicating the possibility for improving these traits

    本研究利用12個普通小麥品種對10個種子活力性狀的遺傳變異和相關研究，表明除正常幼苗百分率外，其餘種子活力性狀在品種間均存在顯著的差異.種子貯藏物質轉換效率、電導率兩個性狀間及與其它性狀均無顯著的遺傳相關，因此對他們的選擇不會影響到其它性狀.通徑分析表明幼苗干重主要取決于種子貯藏物質轉換效率、種子貯藏物質利用速率;發芽指數主要由平均發芽時間決定.電導率、發芽勢、幼苗干重、種子干重、發芽指數、種子貯藏物質消耗比率6個性狀表現中到高的遺傳力、遺傳變異系數和相對遺傳進展，指明通過遺傳育種手段改良這些性狀是可能的
  9. Genetic monitoring to wild derived tw inbreeding mouse

    小鼠11個品系20個微衛星基因位點的遺傳分析
  10. Article to college entrance examination chinese current situation of test, combination of thoery and practice, pass with western chinese graduation examination way, contrast of the method, middle school of developed country, the first part put forward college entrance examination chinese have an examination three principle that should follow, namely content and form of test should respect and meet hereditary quality and individual character difference of quality of student ; should work in concert with latest scientific research results ; should regard measuring students " innovation ability as the main purpose

    文章針對高考語文考試的現狀，理論聯系實際，通過與西方發達國家中學語文畢業考試方式、方法的對比，第一部分提出高考語文考試應遵循的三個原則，即考試的內容和形式應尊重和適應學生的遺傳素質和個性品質的差異；應與最新的科學研究成果相呼應，內容應新穎、獨特，能激發人的潛能；應以檢測學生的創新能力為主要目的。
  11. The mutant lines were crossed with deficiency lines on chromosome 2 and 3 respectively, and the genetic sites of 11 stocks have been determined. of them four showed a different phenotype from the known genes that control the heart development

    分別將這些有心臟突變的品系與果蠅第二和第三染色體缺失系雜交，測定了11個品系的遺傳學位點，其中4個品系在遺傳學位點上有別于已經報道的心臟發育控制基因。
  12. Using the vaiety egg ' s color limition of siverworm from romania and the black egg qingsong and by the crossbreeding, the egg ' s color and the egg number of f1, f2, f3 generations, as well as female and male proportion in black or white egg wene nvtigated after the quantity statistical analysis the gene and the gene heredity rule of egg ' s color limition, wene deriked the new system of white egg was kfained

    摘要利用羅馬尼亞引進的卵色限性品種與黑卵品種菁松，通過雜交育種，調查f1 ， f2 ， f3代的卵色及卵數，以及黑、白卵中的雌雄比例，經統計分析確定基因型，查明了卵色限性基因的遺傳規律，並獲得了新的白卵系。
  13. Genetic parameter analysis of main quantitative traits in yunnan improved japonica rice varieties

    雲南粳稻育成品種系主要數量性狀遺傳參數分析
  14. Fifty nine accessions of soybean [ glycine max ( l. ) merr. ] of 301 ones from huanghuaihai and middle - lower changjiang valleys were tested at seedling stage in two years for their drought tolerance by using the mean membership index value averaged over those of plant height, leaf number, root dry weight, stem and leaf dry weight. 4 tolerant accessions ( rank 1 ) and 2 sensitive ones ( rank 5 ) were identified

    摘要從301份大豆品種中按根系類型選取黃淮海和長江中下游地區代表性材料59份，在苗期乾旱脅迫和非脅迫條件下對地上部和地下部性狀進行2年重復鑒定，發現材料間性狀隸屬函數值具有豐富遺傳變異，以株高、葉齡、根干重和莖葉干重隸屬函數的算術平均數為抗旱綜合指標，從中篩選出漢中八月黃、晉豆14 、科豐1號、圓黑豆等強耐旱型（ 1級）材料和臨河大粉青、寧海晚黃豆等乾旱敏感型（ 5級）材料。
  15. According to the principle of nutrient balance and water requirement in cotton, the sub - model for fertilization and water management was developed by integrating the effects of soil characters, variety traits and yield target. the submodel can make decisions on the suitable total nutrient and water rates and distributions among main growth stages, ratio of organic to inorganic nitrogen, and the ratio of base to topdressing fertilizer

    根據平衡施肥原理和棉花水分需求規律，在綜合考慮土壤理化特性、品種遺傳特徵、產量水平等因子影響的基礎上，建立了具有系統性和普適性的棉花肥料及水分運籌動態知識模型，模型可以完成肥料總量需求，有機肥與無機肥的比例、基肥與追肥的比例、追肥施用時間、水分需求總量及其在各個生育時期的分配等。
  16. 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

    不同引物擴增出的帶型完全不同，聚類分析結果表明，李屬植物和杏屬植物能完全被區分開，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，各屬品種之間都有不同的遺傳距離，最小距離為0 . 1138 ，最大距離為0 . 7633 ，遺傳距離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分子水平驗證了傳統的形態學分類觀點。
  17. The entries showed wide range tolerance variation to waterlogging

    結果表明，不同油菜品種（系）對濕害具有較大的遺傳差異。
  18. Different waterlogging tolerances of nine rapeseed ( brassica napus l. ) genotypes were investigated after germinating seed anoxic stress for 12h and spring field waterlogging for l0d

    摘要9個不同遺傳背景的甘藍型油菜品種（系）在室內進行發芽種子水淹和春季田間模擬濕害條件下，研究油菜對濕害脅迫的耐濕遺傳差異。
  19. The tong - term tune bests of pinus yunnanensis management lead to bio - diversity decrease, diseases and insect pests damage, genetic degradation, and productivity decline

    摘要長期以來，雲南松的純林經營使得生物多樣性降低、林分穩定性變差、遺傳品質退化、林分生產力下降，從而導致生態系統功能衰退。
  20. Primers of ecori were signed with fluorescent dye and four pairs of primers were selected from twenty - four pairs. 261 dna fragments were generated by the four pairs of primers in forty - three individuals sampled. percentage of polymorphic bands is 51 %, the value of shannon index ( i ) is 0. 086 and nei ' s gene diversity ( h ) is 0. 151

    統計這些aflp表型帶標記，用popgene軟體計算各種多樣性數據（ ppb值為51 ， shannon多樣性指數為0 . 086 ， nei ' s基因多樣性值為0 . 151 ） ：用ntsys軟體計算各個樣品間的相似性系數，並用upgma法基於相似性系數進行聚類分析，構建樹狀圖，它們可反映出元寶山冷杉種群內個體間的遺傳關系。
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