Movies below are animation that characterize a wild type embryo development from one to four-cell embryo stage. These movies are accompanied with movies of their wild type real worm development.

From a zygote to meeting pro-nuclei rotation.

 

From meeting pro-nuclei rotation to the cell membrane pinching-in.

 

From the cell membrane pinching-in to two-cell embryo

 

From two-cell embryo to four-cell embryo