To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 4 Representative abo embryo partially dividing into NC15abo embryo has a normal NC14 before partially mitosing into NC15. It begins gastrulation while in the process of division and displays ectopic furrow formation. Scale bar represents 50 μm. Histone concentration regulates the cell cycle and transcription in early development Sudarshan Chari, Henry Wilky, Jayalakshmi Govindan, and Amanda A. Amodeo Development 2019. 146:None-None; doi: 10.1242/dev.177402 Download Original Video