1) You have a series of fixed embryonic sections to stain and image for your study - what stain and imaging technique (eg haematoxylin, eosin, immunofluorescence, light, fluorescence microscopy) would be the best to use, and why?  (3 marks)  

2. You are designing a study to model the human development of your DEV2011 cell type in a model organism. In which of the following organisms would you choose to undertake this study, and why? Choose from C. cerevisiae (yeast), C. elegans (worm), D. melanogaster (fruitfly), or G. gallus (chicken). (3 marks)