4. Cortical reaction – cortical granules in the egg fuse with the egg membrane and release enzymes. The enzymes cut the sperm receptors Fertilization envelope is formed 5. Entry of sperm nucleus in egg
4. Cortical reaction – cortical granules in the egg fuse with the egg membrane and release enzymes. The enzymes cut the sperm receptorsFertilization envelope is formed5. Entry of sperm nucleus in egg