And yes Inder if you want more short answer then omit the examples i.e. Gamete formation, Gamete transfer and embryogenesis…Is it** ohk now??
Kkzz…in brief you can write..Pre fertilization events are those events which take place prior to fertilization like Gamete formation and Gamete transfer where as Post fertilization events include those events which precedes fertilization like embryogenesis…Is is ohk now??
Pre fertilization events include Gamete formation and Gamete transfer while Post fertilization means all that events that take place after fertilization(the act of fusion of male and female Gamete) like embryogenesis(formation of embryo from zygote) and other development processes….