Zygote forms after the fusion of different ____?

Zygote forms after the fusion of different ____?

مختلف ____ کے فیوژن کے بعد زائگوٹ بنتا ہے؟
Explanation
A zygote is formed when a male gamete (sperm) fuses with a female gamete (egg).
This process is called fertilization.