Arria Owlia – apo223Bio 206L – Lloyd – 5010503/04/08 – 1:30 PMLab 7 – Plant Development – Using Genetics and Molecular Biology to Study the Development of Epidermal CellsPurpose: To observe how altering genes involved in trichrome expression and pigment production affect the plants’ phenotypes.Abstract: This week, we had a relatively simple procedure to follow. First, we were to put a few Arabidopsis seedlings in a stain solution, and then incubate them in 37 *C in the dark because the GUS protein functions optimally at this temperature. Upon seeing the blue stain appear, we were able to fix the seedlings. After fixing, we had to observe the specimens under the dissecting microscope. First, we had to look at the wild-type under the microscope. Next, we watched the many mutants around the room under the microscopes as well and drew them for later study. Then, we used
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