Fig 1A. Copyright: Reprinted with permission from Elsevier from [doi:10.1016/S0925-4773(00)00370-1] Mech Dev 96: 121-124, Maldonado-Saldivia J; Funke B; Pandita RK; Schuler T; Morrow BE; Schorle H; Expression of Cdcrel-1 (Pnutl1), a gene frequently deleted in velo-cardio-facial syndrome/DiGeorge syndrome. Copyright 2000