Branching Microtubules Video (VIDEO) Princeton University This video is under embargo. Please login to access this video. Caption This video shows how microtubules (red) branch off from a template microtubule (green) to form the spindle that separates chromosomes during cell division. Credit Raymundo Alfaro-Aco and Sabine Petry, Princeton University Usage Restrictions Raymundo Alfaro-Aco and Sabine Petry, Princeton University License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.