雌雄異體 的英文怎麼說
中文拼音 [cíxióngyìtǐ]
雌雄異體
英文
bisexualism-
Most plants are hermaphrodite, but have mechanisms such as self - incompatibility that promote allogamy
許多植物是雌雄同體的，但它們存在自交不親和的機制，從而促進異花受精。Based on the field investigations and laboratory examinations, a study of the population of the epiphytic dolichomitriopsis diversformis ( mitt. ) nog. in fanjing mountain reveals that its habitats are different among different host trees, but that there lies the common habitat characteristics of not more than 2m height from the bottoms of host trees trunks, less light, high relative humidity, slow wind speed, slow evaporation speed and long time of remaining humid in middle - lower tree bark ; that it is one dioecious moss species, the morphology is remarkably different between its perichaetium and perigonium, the number of its perichaetia is much more than that of its perigonia, its perigonium is difficult to find out, its sporophyte is upright, its seta is long and thin, its capsule is regular long oval and its calyptra is cucullate
摘要通過野外調查和室內觀測對貴州省梵凈山樹附生尖葉擬船葉蘚種群的研究表明，其生境因其所附生的樹種不同而有所不同，但具有共同特點：附生在樹干下部距地面2m高的范圍之內，光照弱、濕度大、風速小、蒸發量小、中下部樹皮保持濕潤的持續時間長；其為雌雄異株蘚種，雌、雄器苞形態差異明顯，雌器苞數量多，雄器苞數量少並且難于發現，孢子體直立，蒴柄細長，孢蒴規則長卵形，蒴帽兜形。Endodeme is a deme composed of predominantly closely inbreeding but dioecious individuals.
同系同群種是由近親繁育占優勢，但雌雄異株的個體組成的同群種。Many studies show that leafy is high homolog even among distantly related plant species. exception of these, little studies on tissue culture and transformation of ginkgo have been done. this paper emphasizes on the isolation, cloning and analysing two ginkgo orthologs of leafy from the male tree
為此，本實驗從銀杏leafy同源基因的克隆入手，分析其雌雄株lfy基因結構差異，構建lfy基因的植物正義反義表達載體，建立矮牽牛遺傳轉化體系，以研究銀杏lfy同源基因的功能，同時建立了銀杏組織培養體系，為銀杏的遺傳轉化和提早開花結果奠定基礎。Examples include male and female plants in dioecious species, aerial and submerged leaves, alternation of gametophyte and sporophyte stages of a life cycle, and mesophyll and bundle - sheath chloroplasts
例如在雌雄異株物種中的雌性植物和雄性植物，氣生的和被水浸沒的葉片，生活史中的配子體與孢子體的交替，葉肉和維管束鞘葉綠體等。The formation of the population of the allotetraploid hybrids of red crucian carp and common carp is the first case in the world which both the female and the male of allotetraploids are fertile, they are the good materials for studying the biological characteristic of tetraploid animals, this paper reports the hereditary characters of allotetraploids including the stability of hereditary gynogenesis and androgenesis
異源四倍體鯽鯉是世界上首例人工培育的兩性可育的四倍體魚，這為研究四倍體的生物學特性提供了良好的實驗材料，本文對異源四倍體鯽鯉的遺傳特性進行了研究，主要包括其遺傳穩定性、雌核發育、雄核發育方面的研究。In xiaoshennongjia district the proportion of each age group of chinese snub - nosed monkey show significant difference, the male adults, female adults, young and juveniles amount for 28. 3 %, 32. 0 %, 10. 42, 28. 0 %, respectively, of them, the females proportion is higher than the that of the males, the reason is considered that, the death ratio of the males due to protecting whole monkey group is higher than the males during growing up
在小神農架地區，川金絲猴種群中各年齡組個體比例存在差異，雄性成年猴、雌性成年猴、青年猴和少年猴的比例分別是28 . 3 、 32 . 0 、 10 . 4 、 28 . 0 ，其中，雌猴比例高於雄猴，其原因被認為是在金絲猴成長過程中，雄猴因護群等行為而導致死亡率高於雌猴。This promotes genetic varation in the population especially in plants that are dioecious and moneclous
可以在種群中產生遺傳變異，特別是在一些雌雄異體或雌雄同體的植物中。It is a dioecious plant. the female tree is different from the male in many aspects, such as karyotype analysis, pattern of peroxidase isozymes and shape of flower
銀杏又是嚴格的雌雄異株，還沒有發現雌雄同株現象，其雌雄株在染色體核型，過氧化物同工酶譜等都有較大差異。Female courtship signal of the brown planthopper was made of many continuous regular pulses and male ' s signal was made of similar syllabics and had two types with different time domain characteristics. second male vibrational signal differed from male courtship signal with wide spectrum range and regular syllabics frequency. time domain characteristics of signals in different individuals even the same individual were different
頻域特徵分析知，褐飛虱雌蟲求偶嗚聲信號的頻域特性較穩定，個體內比個體間差異小；雄蟲求偶嗚聲信號s 、 e片段頻譜范圍較寬，但主振頻率比較接近，差異不顯著； m片段頻帶較窄，主振頻率mvf略小於s 、 e片段，變異較小； m片段脈沖重復頻率prf為幻They consist either male and female, or of female and her maphroditic (gynodioecious) individuals.
他們或者由雄株和雌株組成，或者由雌株和兩性個體（雌金異株）組成。This study dealt with the identification and evaluation of 8 maize populations from tropical and subtropical regions under the ecological conditions in zhengzhou, henan. results showed that the significant delaying days to shed and days to silk, discoordinating for the development of male and female, higher plant and ear height, more leaf numbers, high barreness, worse performance of ear traits compared with the ck ( temperate population ) were found, which showed the tropical and subtropical populations could not be utilized directly under the ecological conditions in zhengzhou. by using selection and improvement the tropical and subtropical populations can be used to broaden the genetic base of temperate maize breeding, beause of the greater genetic variation and higher selection potential within each population. the different performances of the sensitivity to photoperiod were observed among different tropical and subtropical populations and different traits. the asi, time to silk, ear height, leaf numbers, grain yield per ear could be used as the good evaluation traits for identifying the sensitivity to photoperiod
對8個熱帶、亞熱帶玉米群體在鄭州生態條件下的表現進行鑒定和評價，結果表明，熱帶、亞熱帶群體散粉、吐絲期顯著延遲，雌雄不協調，植株和穗位高、葉片數增多、空稈率高，結實性差，果穗性狀均明顯劣於溫帶對照，在鄭州生態條件下不能直接利用，但是群體內具有較大的遺傳變異和選擇潛力，可以用來拓寬現有玉米種質的遺傳基礎；不同熱帶、亞熱帶群體的光周期敏感性不同；不同性狀對光周期反應的敏感程度不同， asi 、吐絲期、穗位高、葉片數、穗粒重可作為鑒定光周期敏感性的較好指標The results from sds - page presented that there were three female specific protein subunits with molecular weights of 123 kd, 120 kd and 91 kd, respectively. we can conclude the higher molecular compose of two subunits ; the results from two dimension electrophoresis showed the isoelectric points of two female - specific spots with molecular weight of about 120kd were 5. 5 and 5. 7. immunodiffusion reactions demonstrated that vg existed both in female fat body and hemolymph, which as vn was deposited in the ovary, while not in the male
Page電泳結果表明：麗蠅蛹集金小蜂明顯存在2條雌特異性帶-卵黃蛋白，分子量分別為181kd和136kd ； sds - page電泳分析：存在3條雌特異性帶，其分子量為123kd 、 120kd和91kd ，由此，可推定卵黃原蛋白（ vitellogenin ， vg ）和卵黃磷蛋白（ vitellin ， vn ）由2個蛋白組成，其中分子量較大的蛋白由2個亞基組成；雙向電泳結果顯示，在120kd附近有兩個特異性點，其等電點為5 . 5和5 . 7 ；雙擴散表明，麗蠅蛹集金小蜂卵黃磷蛋白的抗血清與雌隱成蟲蟲體、脂肪體、血淋巴和卵巢勻漿液均有免疫沉澱反應，而與雄蜂血淋巴無免疫反應，說明了vg與vn具有免疫同源性，是雌特異性蛋白，且由脂肪體合成。The result illustrated that there were low polymorphism between amphioxus. lacking of genetic diversity challenged the existence of amphioxus on the decline in resources
在文昌魚雌雄個體rapd產物中， 2個電泳圖譜上均能讀出明顯的雌雄差異帶。The second male vibration signal ( smvs ) could not only stimulate female and male to give their love sound, but also gave rise to male unease and competition. male giving smvs was more competitive. smvs was often heard when many males congregated together
時域特徵分析知，褐飛虱雌、雄蟲求偶嗚聲信號的時域特性個體間差異較大，個體內不同次嗚叫也有差異，但小於個體間的差異。With respect to genetic similarity, genetic distance and cluster analysis among samples of f1 generation, it showed that the most genetic identity is between jfp and jmp, ( i = 0. 9934, dnei = 0. 0066 ), the next was between jp and jmp ( i = 0. 9873, dnei = 0. 0128 ), the third was jp and jfp, with i = 0. 9681, dnei = 0. 0325 ; the fourth was jp and cp, with i = 0. 9035, dnei = 0. 1015 ; the fifth was cp and jmp, with i = 0. 8862, dnei = 0. 1208, and the furthest was between cp and jfp, with i = 0. 8648, dnei = 0. 1452
由此可以看出在此四組中，雜交組的遺傳變異明顯高於自交組的，雜種優勢已初步顯示出來。而在兩雜交組中，日雄中雌雜交組又優于日雌中雄組中自交組。群體間遺傳相似系數和遺傳距離及聚類分析結果表明：兩雜交組間的遺傳相似系數最大，遺傳距離最小，僅為0 . 0066 ，而中自交組群體與日雌中雄雜交組群體的遺傳距離最大為0 . 1452 ，兩自交組群體間的遺傳相似系數為0 . 9035 ，遺傳距離為0 . 1015 。Part two : studies ; l. the sox gene of dinodon refozonatum was amplified by using a pair of primers which can amplify the conservative motif ( hmg - box ) of human sry gene. the amplification band was observed in both male and female dinodon refozonatum, whose length was consistent with that of human sry gene, which about 220bp. the result of sscp analysis showed that there were many differences in the sox gene sequence between dinodon refozonatum and human, and there was a few differences between male and female dinodon refozonatum. 2. using a pair of degenerate primers based on the conservative region, hmg - box, of human sry gene, six different fragments were amplified from either female or male dinodon refozonatum, then cloned by using pmd18 - t vector and sequenced
結果顯示： （ 1 ）赤鏈蛇基因的擴增片段與人sry基因擴增片斷大小相同，為220bp左右； （ 2 ）雌、雄赤鏈蛇sox基因的擴增片段大小雖然與人的相同，但其單鏈遷移率與人的有較大差異，而且雌雄個體間有明顯差異，預示該基因的dna序列在雌雄個體中可能有差異； 2 、參照人sry基因hmg - box保守區的序列，又設計一對兼并引物，擴增了赤鏈蛇的sox基因，並對擴增產物進行了克隆和測序。Having the male and female reproductive organs borne on separate individuals of the same species
雌雄異株的在一個個體上產生雄性器官，而在另一同種的個體上產生雌性器官的Different vocal behavior models were given from sound spectrum analysis for different songs. based on rule sonagram, quantitative analysis and qualitative analysis, difference comparative analysis in and between individuals for different songs were developed, and obtained the sresuls were as follows : ( 1 ) acoustic properties of male songs were that there were less syllables in every single calling song, it was usually more t
通過對不同鳴聲的聲譜分析，給出了不同鳴聲的聲行為模式，並在常規聲圖的基礎上，對不同鳴聲進行了定性與定量分析、個體內差異比較分析以及個體間差異比較分析，得出結果如下： （ 1 ）雄性的鳴聲特性是每個單次叫聲中含有的音節數較少，一般不超過4個音節；而雌性的鳴聲特博士學位論文摘要東北農業大學仿毀刨會次叫聲？The length of amplification was 140bp in both male and female, which was consistent with that of human dmrt1 gene. the result of sscp analysis showed that there were many differences in the dmrt1 gene sequence between alligator sinensis and human, but no differences between male and female alligator sinensis
結果顯示： （ 1 ）揚子鱷dmrt1基因的擴增片段與人dmrt1基因擴增片段的大小相同，均為140bp ； （ 2 ）雌雄揚子鱷dmrt1基因擴增片段大小雖然與人相同，但其單鏈遷移率與人有較大差異，而雌雄個體間無差異。分享友人