Deletions and Euplications (IMAGE) Moscow Institute of Physics and Technology Caption Chromosome rearrangements deletions and duplications -- mean that the number of copies of different genes varies and can be unique to each person. Credit MIPT's Press Office 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.