Fig. 2. Master gel comparing ventralized to lateralized embryos. To display the full array of protein differences, collections of ventralized and lateralized embryos spanning the three developmental stages were compared. Shown here is a summed image of the Cy3-labeled lateralized sample and Cy5-labeled ventralized sample. Regions of the gel containing difference-proteins are indicated by numbered boxes. Also shown are unchanging control proteins: BSA (which was added as a loading control), enolase, MAPKK and the two large clusters of yolk proteins.