Fig 6ECopyright: Reprinted with permission from Elsevier from [doi:10.1006/dbio.1997.8556] Dev Biol 185: 165-84, Qiu M; Bulfone A; Ghattas I; Meneses JJ; Christensen L; Sharpe PT; Presley R; Pedersen RA; Rubenstein JL, Role of the Dlx homeobox genes in proximodistal patterning of the branchial arches: mutations of Dlx-1, Dlx-2, and Dlx-1 and -2 alter morphogenesis of proximal skeletal and soft tissue structures derived from the first and second arches. Copyright 1997