Tetraploid RPE-1 Mitotic Cell (IMAGE) Virginia Tech Caption A tetraploid RPE-1 mitotic cell. Centrioles are displayed in green (two dots at each centrosome/spindle pole); microtubules are displayed in red; chromosomes are displayed in blue. The image was acquired on a wide-field fluorescence microscope. Credit Daniela Cimini for Virginia Tech Usage Restrictions None 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.