Fertilization occurs when a sperm and an egg fuse to form a diploid zygote.
Sexual reproduction requires formation of gametes, followed by fertilization.
Sexual reproduction involves a sperm and egg fusing to form a diploid zygote.
What involves a sperm and egg fusing to form a diploid zygote?
  - Leptospirosis
  - produce offspring
  - allow growth
  - sexual reproduction
  - metabolic reaction
  - peachleaf willow
  - rapid expansion
  - Plant reproduction