Chromosome 14 (IMAGE) Johannes Gutenberg Universitaet Mainz Caption Researchers at Mainz University found two knots in chromosome 14, here indicated by the solid lines. The blue and red dots mark the beginning and end of the chromosome. The coloring used in the image is designed to help with orientation only. Credit Ill./ ©: Jonathan Siebert, JGU Usage Restrictions This image may only be used in connection with the press release "Chromosomes may be knotted", issued by Johannes Gutenberg University Mainz on 20 October 2017. 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.