Normal Separation of Chromosomes (image) University of Basel Caption This shows a normal separation of chromosomes (blue) with two centrosomes (red) in a bipolar spindel apparatus (green). Credit University of Basel Usage Restrictions You are allowed to copy and share the material under the restriction that you give adequate attribution to the author. 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.