Legend (image) Université de Genève Share Print E-Mail Caption This shows the expression of fish Hox genes in a mouse embryo. Credit Denis Duboule, UNIGE Usage Restrictions With mention of the credit. Share Print E-Mail 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.