During fertilisation, fertilisation cone is formed which leads to the formation of empty region opposite to the animal pole is called
Option: 1
Animal pole
Option: 2
Grey crescent
Option: 3
Vegetal pole
Option: 4
None of these
Answers (1)
Fertilisation cone- in this ovum becomes cone like because the whole ooplasm moves to one point in the ovum from where sperm comes to enter inside the ovum.
Grey crescent - It is an empty region which lacks ooplasm and it is just opposite regions from the region where sperm enters.