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Geraldine Seydoux seeks to understand how single egg cells develop into multicellular organisms. Her research focuses on critical early milestones during embryogenesis, such as the determination of embryonic polarity and whether a cell becomes a somatic or germline cell. Seydoux’s team employs tools and techniques of genetics, microscopy, and biochemistry to analyze embryogenesis in the roundworm C. elegans. The team seeks to identify and characterize molecular mechanisms, such as the localization of RNAs and proteins, that pattern developmental potential.