Sánchez-Aragón, M. , Cantisán-Gómez, J., Luque, C. M., Brás-Pereira, C., Lopes, C. S., Carmen Lemos, M. and Casares, F. (2019) A toggle-switch and a feed-forward loop engage in the control of the drosophila retinal determination gene network. Frontiers in Ecology and Evolution, 7, 2019. (doi: 10.3389/fevo.2019.00221) Text 306596.pdf - Published Version Available under License Creative Commons Attribution. 3MB Abstract Dipterans show a striking range of eye sizes, shapes, and functional specializations.