Fact 1: Fertilization of gametes produces a diploid zygote.

Fact 2: Male gametes are sperm.

Given the two facts above, answer the question "what produces a diploid zygote when fertilized?" with the following options: 
- bamboo
 - eggs
 - sperm
 - pollen
 - brain cells
 - lawns
 - embryos
 - h2o


 

   sperm      