Gametes then unite in fertilization and form a diploid zygote.
Haploid gametes unite to form diploid zygote.
Gametes turn into diploid zygotes.
What do gametes turn into?
  - diploid zygotes
  - Chemical energy
  - baby
  - allow growth
  - Plants growth
  - haploid zygote
  - parasites
  - placenta