Fact 1: Fertilization occurs when a sperm and an egg fuse to form a diploid zygote.

Fact 2: Sperm and eggs are cells known as gametes.

Given the two facts above, answer the question "what fuses to form a diploid zygote during fertilization?" with the following options: 
- seeds
 - white
 - Flowers
 - pollen
 - potatoes
 - orchids
 - gametes
 - barnacles


 

       gametes  