Karyokinesis during cell division , the process of nuclear division that precedes cytoplasmic division 有丝分裂：细胞分裂过程中，细胞核先于胞质分裂。
2.
140min , chromosomes of the daughter cells are situated at metaphase of the second karyokinesis , while the daughter cells do n ' t separate 120min ，染色体处于有丝分裂末期，分裂沟形成，受精卵径裂为二细胞。受精140min ，再径裂为4细胞。
