Double-Headed Zebrafish (IMAGE) Hokkaido University Caption The double-headed zebrafish created by accurately controlling the expression duration of the squint gene. A movie of the double-headed zebrafish is available at the university's YouTube channel. Credit Ogasawara S., Duration control of protein expression in vivo by light-mediated reversible activation of translation. <i>ACS Chemical Biology</i>, Jan 4, 2017. DOI: 10.1021/acschembio.6b00684 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.