Editor’s note: First-year students, prospective students (and some of their parents) wonder and worry how they will handle the academic transition from high school to college. In a series of stories, ...

In the choreography of meiosis—the process responsible for sex cell division in all eukaryotic life—the pairing of homologous chromosomes (homologs) is essential. Errors in this process can lead to an ...

Cells in developing ovaries or testes support germ cells, which are central to sexual reproduction. These supporting cells are thought to send the signals that determine the fate of germ cells. One of ...

High-resolution images show excess DNA double-strand breaks formed in DEHP-exposed nuclei destined to become egg cells. Mid-pachytene nuclei (chromosomes in blue) in germlines dissected from control ...