Genetics

A molecular ‘atlas’ of animal development

Scientists have studied the nematode worm Caenorhabditis elegans for decades, making essential contributions to basic science. In the latest milestone, a team uses cutting-edge technology to individually profile the genes expressed in more than 80,000 cells in a developing C. elegans embryo.

Katherine Unger Baillie



In the News


Smithsonian Magazine

Scientists break the rules of reproduction by breeding mice from single-sex parents

The Perelman School of Medicine’s Marisa Bartolomei offered commentary on same-sex reproductive experiments, which have proven easier in bimaternal than bipaternal pairings.

FULL STORY →



Philadelphia Inquirer

Elizabeth Warren’s DNA test: How reliable is it? A Penn prof explains

Theodore Schurr of the School of Arts and Sciences said U.S. Sen. Elizabeth Warren’s genetic analysis, which used indigenous DNA samples from Peru, Mexico, and Colombia as reference points, was legitimate due to historical migration patterns.

FULL STORY →