1. Functional Genomics Interdisciplinary Ph.D. Program, University of Maine, Orono, Maine 04469, Department of Physics and Astronomy and Institute for Molecular Biophysics, University of Maine, Orono, Maine 04469, Department of Biomedical Engineering, McGill University, Montréal, Quebec, Canada, and Institute for Molecular Biophysics, The Jackson Laboratory, Bar Harbor, Maine 04609