allele frequency 中文意思是什麼
allele frequency
解釋
等位基因頻率-
Sinense y. x. lin using allzyome marker. the experiment employ six enzymes : est, mdh, fdh, gdh, sod and acp, using their polymtic locus to analyse the allele gene frequency, the number of the effective allele gene
採用est 、 mdh 、 fdh 、 sod和acp等5種酶系統，分析荷葉鐵線蕨的等位酶遺傳變異，用間接法估算荷葉鐵線蕨交配系統的特徵參數? ?異交率t 。 -
By using single strand conformation polymorphism analysis of polymerase chain reaction ( pcr - sscp ), the frequency of codon 54 mutant allele of mbl structural gene in the population of hans was investigated. 3. the molecular beacon ( mb ) hybridization technique with visual monitoring was established
建立聚合酶鏈反應單鏈構象多態性分析inglestrandconforma tlonpolymorphlsmanalysisofpol仰erasechainreactionproduction ， pcr sscp ）方法，初步調查漢族人群mbl基因ggc54gac突變情況。 -
The variant alleles are very frequent in populations, with the hightest frequence, 0. 29, found in africas. the ggc 54gac allele is common in chinese with gene frequency above 0. 1. hence, mbl deficiency is the most frequent immunodeficiency, but its pathological mechanisms remain elusive and await further investigation
這些等位基因為常染色體共顯性遺傳，人群中其基因頻率高得令人驚奇，最高者竟達0 . 29 ，我國漢族ggc54gac頻率約0 . 1 。 -
Systematic cluster analysis was carried out on hu sheep in china in comparison with the same data of 9 asia sheep populations and 5 european sheep ( breeds in japan ) populations. 15 populations can be clustered in terms of gene frequency of 10 loci and 33 allele in blood enzyme and other protein variations
摘要以中國湖羊為研究對象，搜集國內外9個亞洲綿羊群體和5個在日本的歐洲綿羊群體的相同資料作為對照，根據控制血液酶和其他蛋白質變異的10個基因座位共計33個等位基因的頻率，進行系統聚類分析。 -
Abstract : biological invasions are a continuous feature of a non - equilibrium world, ever more so as a result of accidental and deliberate introductions by mankind. while many of these introductions are apparently harmless, others have significant consequences for organisms native to the invaded range, and entire communities may be affected. here we provide a survey of common models of range expansion, and outline the consequences these models have for patterns in genetic diversity and population structure. we describe how patterns of genetic diversity at a range of markers can be used to infer invasion routes, and to reveal the roles of selection and drift in shaping population genetic patterns that accompany range expansion. we summarise a growing range of population genetic techniques that allow large changes in population size ( bottlenecks and population expansions ) to be inferred over a range of timescales. finally, we illustrate some of the approaches described using data for a suite of invasions by oak gallwasps ( hymenoptera, cynipidae, cynipini ) in europe. we show that over timescales ranging from 500 10000 years, allele frequency data for polymorphic allozymes reveal ( a ) a consistent loss of genetic diversity along invasion routes, confirming the role of glacial refugia as centres of genetic diversity over these timescales, and ( b ) that populations in the invaded range are more subdivided genetically than those in the native range of each species. this spatial variation in population structure may be the result of variation in the patchiness of resources exploited by gallwasps, particularly host oak plants
文摘:生物入侵是不均衡世界的一個永恆話題，尤其是當人類有意或無意地引入物種后.很多引入顯然是無害的，但另外一些則有著嚴重的後果，會給入侵地的生物以至於整個生物群落造成影響.本文總結了分佈區擴張的常見模式，概述了它們對遺傳多樣性和種群結構式樣所造成的影響.描述了如何根據以一批遺傳標記所得到的遺傳多樣性式樣來推斷入侵途徑，來揭示伴隨擴張選擇和漂變在形成種群遺傳樣式中的作用.本文對日益增多的群體遺傳學方法進行了總結，這些技術可以用來在不同的時間尺度上推斷種群規模所發生的巨大變化（瓶頸效應及種群擴張） .最後，我們以歐洲櫟癭蜂（膜翅目，癭蜂科，癭蜂族）一系列入侵的數據為例對一些方法進行了說明.從500 10000年的時間尺度上，多態的等位酶位點上等位基因頻率的數據表明: 1 ）遺傳多樣性沿入侵路線呈不斷下降的趨勢，支持了冰河期避難所作為遺傳多樣性中心的作用; 2 ）入侵地區的種群與該物種原產地的種群相比，遺傳上的分化更為強烈.這種種群結構在空間上的變異可能是被櫟癭蜂開發的資源尤其是櫟樹寄主在斑塊上出現變異的反映 -
The frequency of codon 54 mutant allele in exon 1 of mbl structural gene is 0. 13 in the population of hans, while that is 0. 10 in uigurs
漢族人群mbl結構基因第一外顯子ggc54gac突變頻率為0月3 ，維吾爾族的突變頻率為0 -
To the guangxi hanzu, the most allele is hve32 in the patients with chd or aci. but it is hve34, hve36, hve38 in the controls. the relative frequency of big allele ( = ^ hve38 ) in controls is higher than in patients of two native populations, but they have n ' t significant difference between the zhuangzu controls and hanzu controls of guangxi in xbal, ecori and 3xvntr allele distribute frequency
05人結論：廣西地區壯、漢兩族人群之間在xbal和ecdi位點及3 』端箍因分佈沒有顯著區別；廣西壯族人群冠心病、腦梗塞的發病與xbal 、 』 ecori和3 』端vntr等位基因的分佈沒有明顯的關聯；廣西漢族人群冠心病、腦梗塞的發病與ecori位點的基因突變和3vntr等位基因的分佈有一定的聯系，但與xbal位點的基因突變沒有顯著的關聯。 -
2. to establish the frequency of codon 54 mutant allele and compare the difference of genotypes of mbl structural gene in the population of hans and uigurs
利用該技術對漢族、維吾爾族人群mbl結構基因第一外顯子ggc54gac突變進行檢測，並估算其基因頻率，比較漢族、維吾爾族該位點突變的差異。 -
Linkage analysis localizes a gene solely on the basis of its location, without regard to its biochemical function. transmission disequilibrium test ( tdt ) is one of the methods being used. the basic thought of tdt is : if the marker locus is in the neighborhood of the disease locus, then a specific marker allele associated with the disease allele will have higher frequency among diseased individuals compared to normal individuals
該檢驗統計量的基本思想是：若標識基因座在疾病基因座附近，那麼與疾病等位基因相關聯的標識等位基因將以更高的頻率出現在生病的個體中（相對正常體） ，這個關聯的標識等位基因相對于另一個標識等位基因的不平衡傳遞表明了標識基因座和疾病基因座之間存在連鎖。 -
Our results showed as follows : 1 ) the spl and rsal polymorphisms of the collagen type 1 alpha 1 ( col1 al ) gene, the - 174g / c promoter polymorphism of the interleukin - 6 ( il - 6 ) gene, the asn363ser polymorphism of the glucocorticoid receptor ( gr ) gene, and the t ? c polymorphism in intron 5 of the transforming growth factor pi ( tgf - p ! ) gene are absent or too rare in chinese. compared the polymorphisms of these five markers with other populations using % 2 test and fisher ' s exact two - tailed test, significant differences of allele and genotype frequency distributions were observed at these polymorphisms ( p < 0. 001 )
結果表明： 1 ）白介素6 （ il ? 6 ）基因的? 174g c多態性、型膠原蛋白_ 1 （ col1a1 ）基因的sp1和rsa多態性、轉化生長因子_ （ tgf - _ 1 ）基因的內含子5t c多態性和糖皮質激素受體（ gr ）基因的asn363ser的多態性在中國人群中均未發現或者多態性很低； x ~ 2檢測和fisher精確（雙尾）檢驗比較這些多態性的頻率，發現在中國人群與其它種群或人群中，等位基因和基因型存在顯著的差異（ p 0 . 001 ） 。 -
Analysis and comparative of rough - set theory and principal components analysis to double allele frequency
粗糙集聚類分析與主成分分析法對雙等位基因頻率的分析與比較 -
In asian, the low serum concentrations were primarily due to an extremely high allele frequency of the codon 54 ( b ) variant
亞洲人mbl血清濃度低下主要由54位密碼突變引起。 -
Haplotype frequency date of 37 different types were obtained. allele frequency comparisons with other han population samples analyzed for the markers of dys390 and dys391 showed a substantial similarity
對這3個基l天1座構成的單倍型進行觀察， 163例共檢測到37種單倍型，單倍型多樣性為0 . 9485 。 -
It showed that the differences of allele frequency among the populations regenerated from the accession samples with different germination level or the populations obtained from the accession samples with different generations were not significant, and there was no absence of rare alleles observed
結果表明，無論每一份不同更新發芽率水平繁殖後代的種質之間，還是每一份不同繁殖世代數種質之間，其等位基因頻率差異不顯著，也沒有檢測到稀有等位基因缺失的情況。 -
Gene frequency the proportion of an allele in a population in relation to other alleles of the same gene
基因頻率：指某一特殊類型的等位基因在群體中所有等位基因總數中所佔的比率。
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