常見(jiàn)例句用作形容詞 (adj.)Since crossing over can occur during the first meiotic division, it does allow for some genetic variation in the offspring.在第一次減數(shù)分裂的過(guò)程中可以發(fā)生交換現(xiàn)象,因而在后代中有遺傳變化。It followed a normal course up to first meiotic metaphase when it inexplicably failed.它按正常減數(shù)分裂過(guò)程進(jìn)行到第一次減數(shù)分裂中期后就莫名其妙地停止了。 返回 meiotic