Figure 1.

ruby and grinch mutant phenotypes. ruby (a) and grinch (b) mutant phenotypes start with pericardial edema at stage (st.) 39. At st. 45, the edema worsens and is lethal. Wildtype (WT) embryos from the same cross are shown for comparison. All embryos are lateral views with dorsal to the top and anterior to the left.