Biology · CELL CYCLE AND CELL DIVISION

In the provided diagrammatic representation of mitotic stages (b), which critical event distinguishes this stage from anaphase?

1. A
   Centromeres split and sister chromatids move towards opposite poles
2. B
   Nuclear envelope forms around separated chromosome clusters
3. C
   Chromosomes are aligned at the equator by spindle fibres attached to kinetochores without splitting of centromeres
4. D
   Chromatin untangles and centrosomes begin moving to opposite poles