Spaghetti Junctions (IMAGE) University of California - Davis Caption Multichromosome Holliday junctions, modeled with spaghetti. Twisted spaghetti strands represen t DNA strands that have crossed multiple times. Such multiple crossovers were seen in yeast with a nonfunctioning SGS1 gene. Credit Neil Hunter, UC Davis 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.