Column I | Column II | ||
| A. | Chromosomes are moved to spindle fibre | I. | Pachytene |
| B. | Centromore splits and chromatids move apart | II. | Zygote |
| C. | Paring between homologous chromosomes takes place | III. | Anaphase |
| D. | Crossing between homologous chromosomes | IV. | Metaphase |