The soil roundworm Caenorhabditis elegans has just 959 cells and a body that is mostly gut and reproductive organs. Yet its reproduction is similar enough to ours that scientists like Francis McNally ...

The development of maternal egg cells is pivotal for survival but also precarious. During meiosis, the DNA-containing chromosomes can easily be broken or lost, causing infertility, miscarriage or ...

Composite image showing fluorescent-tagged nuclei in every cell of five different C. elegans captured in the Advanced Light Microscopy Unit at the CRG. Disclaimer: AAAS and EurekAlert! are not ...

Under a microscope, cells in a worm embryo eliminated one-third of their genome — an uncompromising tactic that may combat genetic parasites. Marie Delattre was studying the sexual reproduction ...