您要查找的是不是:
- first meiotic prophase 第一次减数分裂前期
- The chiasmata observed during the later stages of the meiotic prophase are cytological evidence of earlier cross-over events. 在减数分裂前期末所看到的交叉是在这以前发生了互换事件的细胞学证据。
- The microspore mother stage and meiotic prophase were the developmental stages that were most sensitive to low temperature. 小孢子母细胞时期和减数分裂前期是对低温最敏感的发育阶段。
- It followed a normal course up to first meiotic metaphase when it inexplicably failed. 它按正常减数分裂过程进行到第一次减数分裂中期后就莫名其妙地停止了。
- The megasporocyte undergoes the first meiotic division, giving rise to two dyad cells. 功能大孢子进行第二次减数分裂,形成二核胚囊。
- At a species-specific later point, a final ripening (ovulation) and the first meiotic division occur. 第一次减数分裂产生一个成熟卵。
- In dandelion (Taraxacum), for example, the chromosomes of the megaspore mother cell remain in one cell after the first meiotic division, forming a restitution nucleus. 例如在蒲公英中,在第一次减数分裂后,大孢子母细胞的染色体仍在一个细胞中,形成一个再组核。
- Since crossing over can occur during the first meiotic division, it does allow for some genetic variation in the offspring. 在第一次减数分裂的过程中可以发生交换现象,因而在后代中有遗传变化。
- To accomplish this, sister chromatids must segregate together during the first meiotic division (meiosis I) , which requires that sister chromatid cohesion persists at centromeres. 实现减数分裂,姐妹染色体必须在第一次分裂联会,这过程姐妹染色体在着丝粒结合。
- The chiasmata observed during the later stages of the meiotic prophase are cytological evidence of earlier cross-over events 在减数分裂前期末所看到的交叉是在这以前发生了互换事件的细胞学证据。
- Leaving her first job was a watershed in her life. 辞去她的第一份工作是她生活中的一个转折点。
- Cook the meat quickly at first to seal in the juices. 一开始要大火烧肉,以便保存肉汁。
- In the word "mother" the stress is on the first syllable. 在"mother"这一字里,重音在第一个音节上。,在"mother"这一字里,重音在第一个音节上。
- His illness was more serious than the doctor first thought. 他的病较医生原来以为的更严重。
- Passengers with cars must embark first. 带汽车的乘客必须先上船。
- Bob teed off on the new pitcher's first delivery. 鲍勃猛击那新投手所投的第一个球。
- Alarmed at the first sound, we hit the dirt. 第一声警报一响我们就迅速卧倒。
- She struck up the first carol on the grand piano. 她在那架大钢琴上演奏起第一支颂歌。
- He picked a winning number on the first draw. 他第一次便抽到一个中奖号码。
- Slop out the waste basins first when you get up. 起床的第一件事是把例盆倒了。