Day 4 - (Model Organism and Mutation Lab) A microscopic view of the zebrafish embryo Day 4 - (Model Organism and Mutation Lab) A view of the microscopic nematode, C. elegans, with the roller and dumpy mutations Day 4 - (Model Organism and Mutation Lab) A view of the spontaneous color mutants of the Xenopus frog Day 4 - (Model Organism and Mutation Lab) Sara explains the small eye, ribosomal, and Snell's dwarf mutations in mice Day 4 - (Model Organism and Mutation Lab) The students look at the skeletal preps of mice with incorrect limb development Day 4 - (Model Organism and Mutation Lab) The students observe mice with obesity, due to deficiencies in leptin and the leptin receptor Day 4 - (Model Organism and Mutation Lab) The students observe pirouette mice, which have profound hearing loss and vestibular defects Day 4 - (Model Organism and Mutation Lab) The students observe several plates of C. elegans Day 4 - (Model Organism and Mutation Lab) The students use the microscope to identify zebrafish embryos with mutations Day 4 - (Model Organism and Mutation Lab) This frog must be Prince Charming