By the 25 min postinsemination, the male and female pronuclei move toward the center of blastodisc, then associate with eath other tightly, lastly confuse completely to be the zygotic nucleus.
25min后,雌、雄原核向胚盘中央靠近,然后彼此接触,最后融合为合子核;
A serial of images of centrosomes, spindle and nuclear in olive flounder and turbot fertilized eggs from blastodisc formation to 4-cell stage were observed.
同时获得了牙鲆和大菱鲆受精卵从胚盘形成到4-细胞期的一系列中心体、纺锤体及核的变化图象。
简答网 · 初中英语作文
简答网 · 双语娱乐资讯
简答网 · 高考英语