Chromatids align at the spindle equator in MII oocytes. We initially examined the spatial localization of chromatids in cytostatic factor (CSF)-induced metaphase II-arrested mouse oocytes 9.Wild ...

Cohesin is a large ring-shaped protein complex that mediates cohesion between sister chromatids. New experiments show that the sister chromatids of a minichromosome are entrapped by monomeric ...