(IMAGE) Technical University of Munich (TUM) Caption Each cell in our body is unique. Even cells of the same tissue type differ slightly from each other. Fluorescence- in-situ-hybridization shows differing mRNA-activity in a tissue sample. Blue shoes low activity, and red shows high activity. Credit S. S. Bajikar, University of Virginia 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.