Nussbaum, Robert L., M.D., Associate Investigator 273 
University of Pennsylvania School of Medicine 
Molecular Genetics ofX-linked Disease 
Orkin, Stuart H., M.D., Investigator 275 
Harvard University consortium: Children's Hospital 
Genetic Hematology 
Overbeek, Paul A., Ph.D., Assistant Investigator 277 
Baylor College of Medicine 
Developmental Disorders in Transgenic Mice 
Palmiter, Richard D., Ph.D., Investigator 279 
University of Washington 
Transgenic Approaches for Studying Mouse Development 
¥eTrisnon.,^oThe^rt,P\i.T>., Assistant Investigator 283 
Harvard University consortium: Harvard Medical School 
Insect Pattern Formation 
Reeders, Stephen T., M.D., Assistant Investigator 285 
Yale University School of Medicine 
PKDl and Essential Hypertension: A Molecular Genetic Approach 
Sakof^u, Shi%<tTu,Ph..T>., Assistant Investigator 287 
University of Utah School of Medicine 
Molecular Analysis of Development in Drosophila melanogaster 
Scott, Matthew P., Ph.D., Associate Investigator 289 
University of Colorado at Boulder 
Genetic Control of Pattern Formation 
Seidman, Jonathan G., Ph.D., Investigator 293 
Harvard University consortium: Harvard Medical School 
Molecular Basis of Familial Hypertrophic Cardiomyopathy and Insulin-dependent Diabetes 
Shapiro, Larry J., M.D., Investigator 297 
University of California School of Medicine at Los Angeles 
Molecular Genetics of the Human Sex Chromosomes 
Singh, Harinder, Ph.D., Assistant Investigator 301 
The University of Chicago 
Regulation of Gene Activity in B Cells 
Soriano, Philippe, Ph.D., Assistant Investigator 303 
Baylor College of Medicine 
Developmental Genetics 
Steitz, Joan Argetsinger, Ph.D., /wfesfi^ator 305 
Yale University School of Medicine 
Structure and Function of Small Ribonucleoproteins in Mammalian Cells 
Sukhatme, Vikas P., M.D., Ph.D., Assistant Investigator 309 
The University of Chicago 
Genes Responsive to Growth Factors 
Taub, Rebecca A., M.D., Associate Investigator 313 
University of Pennsylvania School of Medicine 
Cellular Membrane Receptor Signals and the Hepatic Growth Response 
Continued 
136 
