Sep 20, 2023
Frank Mason, PhD, left, Kimryn Rathmell, MD, PhD, and their colleagues have identified an early event in the development of cancer, one that could lead to new ways to prevent it. (photo by Erin O. Smith)

As cells grow and divide, their DNA needs to be accurately replicated and properly segregated to new cells. Errors during replication or segregation can alter the genome and promote cancer.