Fig. 8. Expression of Ihh and Pthr in control and double mutant
newborns. (A,B) Brightfield views of control (A) and double mutant (B) newborn
forelimb sections hybridized with an Ihh probe. (C) Darkfield view of
control section shown in A. (D) Darkfield view of double mutant section shown
in B. (E,F) Brightfield views of control (E) and double mutant (F) newborn
forelimb sections hybridized with a Pthr probe. (G) Darkfield view of
control section shown in E. (H) Darkfield view of double mutant section shown
in F.