To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1. Abnormal circling behavior in larvae and adults with IrxAa and IrxAb loss. A comprehensive series of Irx cluster mutants reveals diverse roles in facial cartilage development D'Juan T. Farmer, Punam Patel, Rachelle Choi, Chih-Yu Liu, and J. Gage Crump Development 2021. 148:None-None; doi: 10.1242/dev.197244 Download Original Video