In meiosis crossing over is initiated at:
Pachytene
Leptotene
Zygotene
Diplotene
As discussed in
Meiosis -
Type of cell division that reduces the chromosome number by half, creating four haploid cells, each genetically distinct from the parent cell.
-
Crossing over takes place in pachytene.
Option 1)
Pachytene
this is the correct option
Option 2)
Leptotene
this is the incorrect option
Option 3)
Zygotene
this is the incorrect option
Option 4)
Diplotene
this is the incorrect option