遺傳學背景 的英文怎麼說
中文拼音 [yízhuànxuébēijǐng]
遺傳學背景
英文
genetic background- 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)...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 背 : 背動詞1. (用脊背馱) carry on the back 2. (擔負) bear; shoulder
- 景 : Ⅰ名詞1 (風景; 景物) view; scenery; scene 2 (情形; 情況) situation; condition 3 (戲劇、電影的...
- 遺傳學 : genetics; hereditism遺傳學家 geneticist
- 遺傳 : [生物學] heredity; hereditary; inheritance; inherit
- 背景 : (布景; 襯托主體事物的景物; 對人物、事件起作用的歷史條件或現實環境) background; backdrop; setting
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Another possible explanation for rococo genetic systems is atavism, in which some biological mechanisms revert back to an ancestral state, although presumably with modification, in a new, derived genetic background
有關舊式遺傳學系統的另一個可能的解釋是隔代遺傳,在此過程中一些生物學機制恢復到一種原始生物才有的狀態,盡管該狀態可能會在一種新的衍生遺傳學背景下發生改變。However, only three species of the cephalochordate including b. lanceolatum, b. floridae, and b. belcheri, have so far been studied for their chromosome numbers, and the karyotypic analysis and banding study of amphioxus chromosomes remains largely untouched
Floridae 、 b belcheri三種文昌魚染色體數目。有關文昌魚染色體核型和帶型的研究尚未見任何報道,文昌魚染色體核型和帶型的研究將為比較基因組學和細胞遺傳學研究提供珍貴的背景資料。Background : in - vitro maturation ( ivm ) of human oocytes would be an attractive alternative to gonadotrophin stimulation for in - vitro fertilization ( ivf ). it could avoid the complications of gonadotrophin stimulation and reduce the cost of drugs. however, the efficiency of existing ivm technique is suboptimal because embryos resulting from ivm oocytes exhibit frequent cleavage blocks and low implantation rate
研究背景:近20年來,輔助生育技術有了突飛猛進的發展,體外受精、卵漿內單精子注射技術( intracytoplasmicsperminjection , icsl )和種植前遺傳學診斷技術的成熟標志著人類生殖醫學進入了嶄新的領域,但同時也不能否認,在這一領域中還存在諸如妊娠率低、藥物副作用和多胎率高等問題。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。This modification includes : ( 1 ) selecting two important molecules as candidates, ( 2 ) choosing a promiscuous t - cell epitope, and two b - cell epitopes or conserved amino acid sequences from the two important molecules, ( 3 ) connecting them adequately through analysis by the molecule designing software. therefore, the synthetic new antigen may interfere with the process of fertilization by multiple ways and its contraceptive effects may be enhancing. based on the molecule designing methods, the b - lymphocyte cell epitope of sperm / testis specific protein sp17 and cyritestin which interfere with fertilization in mouse, as well as the promiscuous th cell epitope of the ribonuclease ( rnase ) in bovine were selected
本研究以蛋白質分子設計的理論和方法研究避孕疫苗,將sp17和cyritestin關鍵表位和牛核糖核酸酶非選擇性th細胞表位合理組合,獲得新抗原- 35肽序列;並在合成、純化後分別與弗氏佐劑、免疫刺激復合物( iscoms )混合后免疫不同遺傳背景的雌性小鼠,觀察血清和生殖道內的特異性抗體滴度的動態變化、生育力的改變以及免疫后小鼠重要臟器的組織病理學改變:以及在ivf下,新抗原的特異性抗血清對精卵相互作用的影響及抗原在精子表面的特異性定位。The reasults are summed up as following : 1 the study on chromosomes and mitoses of bmn cells the cell line, bmn, is a silkworm cell line widely used in silkworm molecular genetics, cell engineering, gene engineering and baculovirus expression system but whose genetics and cytobiology studies are nearly untouched. the chromosomes and mitoses of the bmn cells are researched by the air - drying method and culturing cells on cover glasses
同時,還通過原代培養實驗對新的家蠶胚胎細胞系的建立進行了探索和嘗試,並對家蠶胚胎原代培養過程中出現的細胞和組織類型進行了觀察、探討與研究。 1bmn細胞有絲分裂及染色體研究bmn細胞是家蠶分子遺傳學,細胞工程、基因工程和桿狀病毒表達系統中廣泛應用的家蠶細胞,但其遺傳學和細胞生物學背景知之甚少。Computation - oriented analysis on haplotypes and patterns of meiotic recombination hotspots in high eukaryote. applicants should have some backgrounds in population genetics
以計算分析為主進行單倍型分析和高等生物減數分裂重組熱點的規律研究。要求應聘者有一定的群體遺傳學背景知識。This thesis is mainly studying the genetic structure and variation of p. sibirica with rapd and the correlation with the surrounding environmental factors. and the survey provide the accurate and scientific information for understanding the genetic background systematic evolutionary of the desert plants and planning the effective conservation strategy
目前對叉毛蓬的研究很少,本文試圖運用rapd分子標記技術研究叉毛蓬居群的遺傳結構和遺傳分化,並且探討其與生境的相關性,為探明荒漠植物的遺傳背景、系統演化及制定保護策略提供科學依據。From 19 arabidopsis male sterile lines isolated from an ethyl methanesulphonate - induced ( ems - induced ) population, a total of four male sterile mutants were screened with each mutant controlled by a single recessive gene
首先對19個經化學誘變劑ems處理得到的雄性不育突變體進行背景純化和遺傳分析,從中篩選到四個單個隱性基因控制的雄性不育突變體( ec2 - 157 、 ec1 - 188 、 ec2 - 115和ec2 - 214 ) 。On the background of selecting an optimal combination of elastic pads " height between the two adjacent cylinders, which carry out the design requirement of combinative cylinders assembled structure, in this dissertation, the optimal design model is established ground on geometrical and mechanical model of the combinative cylinders assembled structure. the algorithm that integrates multi - objective ' s decision - making method with minimal distance between two points in euclid ' s space into the modified genetic algorithm to solute the optimal model is presented
本文以選取層間彈性墊層厚度實現組合圓筒裱糊裝配結構的設計要求為研究背景,依據組合圓筒裱糊裝配結構的幾何模型與力學模型,建立組合圓筒裱糊裝配結構的優化模型,提出改進遺傳演算法與歐幾里德空間最短距離準則的多目標決策方法相結合的優化演算法。More information on the genetic background of coat colors can be found at genetics of coat colour and other exterior properties
更多有關邊境牧羊犬毛色遺傳背景的信息,見「毛色遺傳學和其他外形特徵」部分。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
為了弄清我國不同地區prrsv的來源以及其遺傳學背景,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的豬體內分離到prrsv ,在mark - 145細胞上盲傳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株進行了比較分析,同時對這兩個毒株的結構基因組的理化性質進行分析。New york ( reuters health ) aug 07 - findings from an icelandic study suggest that there is a common genetic background for inflammatory bowel disease ( ibd ) and ankylosing spondylitis ( as )
紐約(路透社) 8月7日,一項來自冰島的研究顯示:炎癥性腸病( ibd )和強直性脊柱炎( as )具有共同的遺傳學背景。The achievement of the students who had definite reading aim was better than that of those who had not ; 2 the students " comprehension monitoring ability in reading between grade 7 and grade 8 developed rapidly. however, when it came to grade 8 - 9, whether the trend of development would continue or not, it would depend on the reading conditions ; 3 be viewed from all aspects, there was always a close and inherent relation between junior middle school students " comprehension monitoring in reading and reading comprehension ; 4 be viewed from the plan before reading or the monitoring in reading or the evaluation after reading, the junior middle school students " comprehension monitoring ability in reading had reached a certain extent ; 5 bad reading habits, lack of necessary reading skills and relevant background knowledge, and indefinite reading aim, all of them could be the reasons that the student could n ' t remember what they were reading ( failing to monitor what they were reading ) ; 6 in order to improve the junior middle school students " comprehension monitoring ability in reading, some measures such as helping them form good reading habits, teaching them some necessary reading skills, and training them to good self - reading awareness, could be made ; 7 there were some ways could be used by teachers to improve the students " comprehension monitoring ability in reading
有明確閱讀目的的要比沒有明確閱讀目的的要好; 2 、學生的閱讀理解監控能力從初一到初二有一個明顯的發展過程,而從初二到初三,則依閱讀條件的不同而有所差異; 3 、無論是從總體還是從局部進行分析,初中生的閱讀理解監控能力與閱讀理解之間有著緊密的內在關系; 4 、無論是從閱讀前的計劃性,還是閱讀中的監控性,以及閱讀(后)的評價性來看,初中生都已具備一定的閱讀理解監控能力; 5 、造成閱讀遺忘現象(理解監控失敗)的原因,主要有:沒有良好的閱讀習慣;缺乏必要的閱讀技巧;缺乏必要的背景知識及缺乏明確的閱讀目的; 6 、要提高學生的理解監控能力,可以從培養他們良好閱讀習慣,傳授必要閱讀策略和培養他們自主閱讀意識等方面著手; 7 、教師可以通過多種方式來幫助學生提高他們的理解監控能力。A large mount of experiments had been performed to obtain a range of main control parameters settings for proposed algorithm. csga for task matching and scheduling is not scalable for multiple independent decomposable tasks. the computational model of cooperative coevolution is addressed, which simulates the process of natural coevolution among species
針對傳統單種群遺傳演算法求解獨立多任務分配與調度問題的伸縮性差的缺點,本文基於多物種共同進化的生物學背景,從理論上探討合作式共同進化計算模型的機理。The article related research achievenment on the molecular genetics of mental disease and spirits obstruction, expounds the molecular genetics basis and the mechanism of result in mental disease from chromosome aberration, gene mutation, dynamic mutation and genetic heterogeneity, etc
文章綜述了當前對精神病和精神障礙的分子遺傳學研究成果,從染色體畸變、基因突變、遺傳的異質性等方面闡明精神病發生的復雜的遺傳背景和機制。Though the technique of nuclejc transformation in plants has been developed and used widely, some problems in genetic information have not been resolved. for example, because the nucleic genome is so big and complicated that the integration sites and copies of foreign gene can not be controlled accurately, the expression of transferred genes is inefficient as a result of gene silencing or position effect. in nucleic transformation, furthermore, the transfer of multigene is difficult, and only after the prokaryotic genes undergo modification are they expressed in high plants
植物的細胞核轉化技術已發展成熟並得到廣泛應用,但核基因組的遺傳轉化仍存在一系列至今尚未解決的問題:例如由於核基因組大,背景復雜,外源基因的整合位點和整合的拷貝數難以人為控制,造成鄭州大學2003年博士學位論文杜氏鹽藻( dunaliellasalina )葉綠體轉化研究外源基因表達效率低,容易出現基因失活、基因沉默、位置效應等現象;同時轉入多個基因時操作步驟過于復雜,所表達的原核基因必須經過修飾改造,環境安全難以保證等。Under realization of quality education background for several years, the whole teaching activities of 《 medical genetics 》 set up for students in biology department of our university were introduced, which expounding the necessity and urgency for popularizing the principles of medical genetics and the knowledge of genetic diseases to students in normal university. it is beneficial not only to raising the body qualities of population for the unity of our various nationalities, but also to producing profound influences on biological teaching in middle school
介紹了幾年來在實現素質教育的背景下,通過為我校生物學系本科開設《醫學遺傳學》課程的整個教學實踐活動,闡明了向師范院校學生普及醫學遺傳學原理和傳授遺傳病知識的必要性和迫切性.它不僅有益於提高我國全民族人口的身體素質,而且對中學生物教學也將產生深遠的影響分享友人