Match the stages of meiosis in Column-I to their characteristic features in Column-II and select the correct option using the codes given below :
Column-I Column-II
a. Pachytene (i) Pairing of homologous chromosomes
b. Metaphase I (ii) Terminalization of chiasmata -
c. Diakinesis (iii) Grossing-over takes place
d. Zygotenev (iV) Chromosomes align at equatorial plate