Embryos and Hox (IMAGE) The Zuckerman Institute at Columbia University Caption Drosophila melanogaster developing embryos showing the spatial relation of vvl1+2 expression pattern (red) with respect to various Hox expression domains. a Labial (purple) is expressed in the intercalary segment, (b) Dfd (blue) is expressed in the mandible and maxilla, (c) Ubx and Abd-A (green) protein expression extends from T3 to A7. Credit Carlos Sanchez-Higueras/Hombría Lab/CABD Usage Restrictions Please contact Zuckerman press office for permissions. 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.