genetic correlation 中文意思是什麼

genetic correlation 解釋
遺傳相關
  • genetic : adj. 1. 遺傳(學)上的。2. 發生的,發展的;創始的。adv. -ically
  • correlation : n. 相互關系,相關(性);對比;交互作用;【數學】對射,異射。 correlation index 關聯指數。 correlation mineral 對比礦物。
  1. Seventeen important morphological characters were analysed to identify and evaluate genetic diversity of morphology of the lespedeza populations. fourteen vital morphological characters were studied using basic statistics, correlation analysis, factor analysis and cluster analysis. zymograms were analysed using eighteen alleles of seven allozymes

    對14個關健形態學性狀指標的平均值、方差、標準差、變異系數等基本統計分析表明,胡枝子屬植物不同種間以及種內居群間在這14個重要形態學性狀上的遺傳差異較大,變異系數達28 . 89 122 . 36 (全生育天數除外,變異系數為4 . 72 ) 。
  2. Application of natural number coding genetic algorithm for image correlation matching

    演算法的車牌圖像快速匹配
  3. By whitening the covariance matrix of flat ambiguity, correlation between ambiguity components, the number of local extrema of cost function is reduced. the search program getting into precocity is avoided by suitable encoding and genetic operation

    通過白化處理模糊度,減少模糊度搜索中指標函數的局部極值點,採用適當的編碼和遺傳操作使得在種群個體較少的情況下避免搜索陷入早熟。
  4. The positive correlation between 1000 - grain weight and grain numbers per spike, plant height and protein content, heading date and spikelet number per spike, have disadvantageous effect on the genetic improvement of wheat - rye recombinant lines

    千粒重和穗粒數的負偏相關對小麥異源(黑麥)重組系的遺傳改良有重大影響,打破該相關也相當困難。
  5. 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
  6. 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
  7. Genetic correlation and path analysis of cotton inbred lines

    棉花自交系農藝性狀的遺傳相關性和通徑分析
  8. Genetic correlation analysis and principal component analysis of characters in inbred lines

    玉米自交系性狀的遺傳相關分析和主成分分析
  9. Genetic correlation analysis of yield and quality characters of rice oryza sativa l. in multiple environments

    多環境下水稻產量及品質性狀的遺傳相關分析
  10. Genetic correlation analysis between yield and its components and cooking quality by using a rice dh population

    群體分析水稻產量與蒸煮品質的遺傳相關性
  11. Image correlation matching method based on fuzzy genetic algorithm

    自然數編碼遺傳演算法在圖像相關匹配中的應用
  12. 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。
  13. Correlation between genetic distance and yield heterosis of hybrid aromatic rice

    雜交香稻親本遺傳距離與產量雜種優勢的相關性研究
  14. Analysis on population genetic variation and its correlation to heterosis of body weight using microsatellite dna markers in yellow plumage broilers

    黃羽肉雞群體遺傳變異的微衛星分析及其與體重雜種優勢的關系
  15. For the exhaustion algorithm calculating quantity being excessive in the correlation match algorithm, the method of correlation match search using the genetic algorithms is proposed

    針對相關匹配演算法中的窮舉演算法計算量過大的缺點,提出利用遺傳演算法進行相關匹配搜索。
  16. The genetic diversity level ofreaumuria soongorica had the negative correlation with the content of soil total p and cl " significantly ( p < 0. 05 ), on the contrary, it had the positive correlation with co32 - significantly ( po. 05 ) but there was no significant correlation between the genetic diversity and the other salt factors in soil, which showed that the distribution of the individuals of reawnuria soongorica correlated with some certain soluble salt

    研究結果表明:無葉假木賊種群的多態位點比率( ppb )為94 . 56 ,角果藜種群的多態位點比率則為98 ,顯示出分佈於過渡帶的無葉假木賊和角果藜種群內均存在較高的遺傳多樣性,而角果藜種群遺傳多樣性水平高於無葉假木賊種群。
  17. Additionally, through the use of clustering analysis, principal factor analysis and the correlation analysis, we found that the genetic structure of natural population reawnuria soongorica was related to the ecological factors ( soil factors mainly ) of the oasis - desert transitional zone

    而其它土壤生態因子則與紅砂的遺傳多樣性指數的相關性均不顯著( p 0 . 05 ) 。表明紅砂個體的分佈可能與過渡帶土壤的某些易溶性鹽分相關。
  18. Based on the introduction of conservation and utility of genetic resources of china fir, the mutual correlation and impact among collection, conservation, utility and assessment of genetic resources were analyzed, and the conservation technique and development model, " diverse methods, rolling development and integrated conservation and utility ", were discussed

    摘要在介紹我國杉木種質資源保存利用現狀的基礎上,綜合分析了杉木種質資源收集、保存、利用和評價各個環節之間相互制約、相互影響的關系,論述了「方法多樣化、滾動式發展、保存與利用相結合」的保存方法和發展模式。
  19. The results showed that the 11 measured cooking and eating quality properties and taste value have manium significance genetic difference ; among the cooking and eating quality properties, varietal variation coefficent of gel consistency, peak viscosity, break down, setback is relatively large ; every cooking quality property has a different correlation with eating quality property, initial pasting temperature, finial viscosity, consistency and setback have significant or maximum significant inverse correlation with taste value, while peak viscosity, break down has a postive correlation with taste value, amylose content and protein content are inversely related to taste value, but gel consistency are positively related to taste value another, the correlation among varietal cooking and eating quality properties is significant or maximum significant ; in the analysis of principal components, the cumulative percent of 4 selected principal components reached 90. 58 %, initial pasting temperature of large second principal components is small, but amylose content and protein content is high, finial viscosity, consistency are large

    結果表明,所測定的11項蒸煮食味品質特性及味度值在供試品種間均存在著極顯著的遺傳差異;在蒸煮食味品質特性中,膠稠度、最高粘度、下降粘度值、粘滯峰消減值的品種間變異系數較大;糊化開始溫度、最終粘度、回冷粘滯性恢復值、粘滯峰消減值與味度值呈顯著或極顯著的負相關,而最高粘度、下降粘度值與味度值呈極顯著的正相關,直鏈澱粉和蛋白質含量與味度值呈負相關,而膠稠度與味度值呈正相關;在主成分分析中,被入選的4個主成分的貢獻率達90 58 ,其中第二主成分大的品種,糊化開始溫度低,直鏈澱粉和蛋白質含量高,最終粘度和回冷粘滯性恢復值大。
  20. Our studies support the idea that there is a correlation between genetic defects and certain diseases

    我們的研究支持一種看法,那就是,基因缺陷與某些疾病之間有關連。
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