The process of fertilization is a complicated process, consisting of many steps. This video explains this process in detail and underlines the steps involved in the formation of zygote. 0:00 Introduction 0:52 What is Fertilization 1:08 Site & Events of Fertilization 2:00 Transport of Sperm & Ovum 3:07 Penetration of Egg 5:21 Formation of Pronuclei 6:07 Formation of Zygote 6:30 Results of Fertilization