These NILs were obtained by 5 6 consecutive selective backcrosses.

這些近等基因系是通過 5～ 6次連續(xù)的選擇性回交獲得的黄色视频网三级第一区第九视频。

Two complementary dominant genes conditioned the resistance, with a new genetic model, of the maize inbred line were found at adult stage by the genetic analysis based on parents, F 1, F 2 and backcrosses in ...

通過連續(xù)兩年的經(jīng)典遺傳學(xué)研究發(fā)現(xiàn)小蝌蚪www，四一的成株期抗性表現(xiàn)為一種新的抗病遺傳模式800AV久久久凹凸精品，該抗性是由兩個(gè)顯性互補(bǔ)抗病基因控制午夜欧美黄色。

By theoretical calculation, the frequence of polymorphism between the pair of NILs obtained after 7 generals backcrosses should be 4.5 polymorphic DNA fragments every 100 primers.

在100個(gè)隨機(jī)引物中找到了3個(gè)引物在這對(duì)抗白粉病的近等基因系中所擴(kuò)增出的帶型出現(xiàn)差異鸥美性爱操逼视频。

Using Zhongshuang4 as a recurrent parent to pollinate the male sterile plants, the ratio of male sterile plants increased with the number of backcrosses.

利用原生質(zhì)體融合技人人干人人爱人人插，獲得了甘藍(lán)型油菜品種中雙4號(hào)與新疆野生油菜野油18的對(duì)稱性體細(xì)胞雜種。

The genetic behavior of these QTLs were investigated accordingto the performance of backcrosses.

5對(duì)以IR24為遺傳背景的一套秈型滲入系進(jìn)行了三地兩年的詳細(xì)考察毛片一区二区三区四区播放，初步確認(rèn)了各滲入系中所攜帶的滲入片段對(duì)抽穗期国产精品热门Jizz最近更新、株高、穗數(shù)工口视频亚洲、實(shí)粒數(shù)亚洲一级Av无码毛片无卡、總粒數(shù)、千粒重在线播放欧美特级黄色视频、單株重和結(jié)實(shí)率等性狀的影響www.huicheng99.com，并初步定位了11個(gè)重要農(nóng)藝性狀和產(chǎn)量性狀QTLs，估算了這些QTLs的遺傳效應(yīng)一区一本久久，并在回交和測(cè)交中進(jìn)一步確定了這些QTLs的遺傳行為天天插天天狠天天透伊人，討論了滲入系在QTL精細(xì)定位與雜種優(yōu)勢(shì)機(jī)理研究中的應(yīng)用。