Figure 4. Patterns of Hox transcription within the developing lung.
(A–L) Six Hox genes were identified by RNA in situ hybridization to be expressed within the E11.5 (A,C,E,G,I,K) and either E12.5 (J,L) or E13.5 (B,D,F,H) lung and trachea. Each gene is a wholemount in situ hybridization of both the trachea and lung.