Under a microscope, the first few hours of every multicellular organism’s life seem incongruously chaotic. After fertilization, a once tranquil single-celled egg divides again and again, quickly becoming a visually tumultuous mosh pit of cells jockeying for position inside the rapidly growing embryo.
Click here for original story, Key control mechanism allows cells to form tissues and anatomical structures in the developing embryo
Source: Phys.org