Fig. 8. Clone distribution indicates no compartmentalization along the P-D
axis. (A-F) lacZ staining of mouse embryos after 4OHTM
injection at different stages during gestation and recovery on different days
of development, as indicated. (A,C) Examples of violation of the
stylopod-zeugopod frontier. (B,D) Examples of violation of the
zeugopod-autopod frontier. (E,F) Examples of clones respecting the
frontiers.