Before a cell can split into two, it must first copy all of its chromosomes so each new cell inherits a complete set of genetic material. For years, researchers believed that as this process unfolded, the genome’s intricate three-dimensional…

Before a cell can split into two, it must first copy all of its chromosomes so each new cell inherits a complete set of genetic material. For years, researchers believed that as this process unfolded, the genome’s intricate three-dimensional…