Complex sentence: Gerald M. Rubin is an American biologist, notable for leading the public project to sequence the "Drosophila melanogaster" genome, development of genomics tools, developing the use of transposable P elements, and whole-genome studies of gene regulation.
Split into simpler sentences: Gerald M. Rubin is an American biologist, notable for pioneering the use of transposable P elements in genetics, and for leading the public project to sequence the "Drosophila melanogaster" genome. Related to his genomics work, Rubin's lab is notable for development of genomics tools and whole-genome studies of gene regulation.