Meiotic division of the secondary oocyte is completed
After zygote formation
At the time of fusion of a sperm with an ovum
Prior to ovulation
At the time of copulation
At the time of fusion of a sperm with an ovum
The correct option is B.
Explanation of the correct option:
Explanation of the incorrect option:
Option A:
After zygote formation, it undergoes mitotic division and develops into the embryo.
Option C:
Option D:
At the time of copulation, no such division takes place.
Final answer: Meiotic division of the secondary oocyte completed at the time of fusion of a sperm with an ovum.