You are presented with the quiz "When gametes fuse, the resultant zygote is:" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "fertilization occurs when a sperm and an egg fuse to form a diploid zygote" and "familiar types of gamete include the female ovum , or egg cell, and the male sperm cell". 

So, what's the best answer to the question?


 

  diploid         