正反交雜種 的英文怎麼說

中文拼音 [zhēngfǎnjiāozázhǒng]
正反交雜種 英文
reciprocal hybrids
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 反 : Ⅰ名詞1 （方向相背） reverse side 2 （造反） rebellion 3 （指反革命、反動派） counterrevolutionari...
  • 交 : Ⅰ動詞1 （把事物轉移給有關方面） hand over; give up; deliver 2 （到某一時辰或季節） reach （a cert...
  • 雜 : Ⅰ形容詞（多種多樣的; 混雜的） miscellaneous; varied; sundry; mixed Ⅱ動詞（混合在一起; 攙雜） mix; blend; mingle
  • 種 : 種名詞（姓氏） a surname
  • 正反 : positive and negative
  • 雜種 : [生物學] hybrid; crossbreed; intercross; [遺傳學] random breed; [動物學] half bred; 雜種不育性 hy...
  1. Chlamys farreri, which belongs to mollusca, bivalvia, pterioidae pectinidae, are widely distributed on the china from donghai sea to bohai sea, korea and japan. this species has been the main aquacultrue shellfish for many years in northchina

    利用同工酶技術，對中國櫛孔扇貝和日本櫛孔扇貝的遺傳差異進行了比較分析，並對它們的正反交後代的酶表型及遺傳型進行了分析，探討了亞種間雜交的機制。
  2. Green fluorescent protein ( gfp ) gene was conjugated to the 3 " end of the pap gene in order to screen easily of the transgenic cotton plants. the combined gene was cloned into plant expression vector pbi121 and then transformed. about 5000 seeds of the transgenic cotton were obtained and the some seedlings of the transgenic cotton could give a bright green fluorescence in the dark condition when the cotton seedlings were irradiated with ultraviolet rays

    為了便於轉基因棉花後代的篩選，在pap基因的3 』端融入了綠色熒光蛋白gfp ）基因，然後將融合基因克隆在植物表達載體pbi121上，再進行遺傳轉化，得轉基因棉花種子5000餘粒，將種子播種長到于葉展開時，先在黑暗中用紫外燈照射，查找表現綠色熒光的幼苗，然後再用地高辛（ dig ）標記的pap基因特異性探針對這些棉花進行點雜交，最後發現有8株棉花表現陽性反應，說明pap基因的確己經轉到了棉花的基因組中，其棉花黃萎病的抗性鑒定正在進行之中。
  3. Sweetpotato pollens killed by u. v. didn ' t sprout ; 2. normal pollens sprouted ; 3. pollens of 5x mixed with recognition pollens attached and sprouted much ; 4. in the negative - cross, sweetpotato pollens attached and sprouted much on the stigma of 5x ; 5. in the possitive - cross without recognition pollen, 5x pollens few attached and sprouted ; 6. in the treatment of pgr ( twice ), globular - embryo observed on 15 days after pollination ; 7. ovule obtained by intercross germinated on the medium ; 8. plantlet from intercross ovule grew on the medium ; 9. seeds obtained by opening pollination ; 10. tubers of hybrids from 5x crossed by sweetpotatos for two generations

    紫外線殺死的甘薯花粉在親和柱頭上不萌發； 2 .未經紫外線處理的甘薯花粉在柱頭上正常萌發； 3 .在蒙導花粉作用下，五倍體的花粉在甘薯柱頭上大量附著和萌發； 4 .反交組合甘薯花粉在五倍體柱頭上大量附著和萌發； 5 .正交組合無蒙導花粉時五倍體花粉少量附著和萌發； 6 .生長調節劑二次處理后，授粉后15天所見的球形胚； 7 .雜交胚珠在培養基上萌發； 8 .雜交胚珠培養成苗； 9 .放任授粉收獲的大量種子； 10 .五倍體與甘薯雜交兩代產生的後代群體的結薯性。
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