For this chain-of-thought reasoning and answer, what was the question?
Gametes then unite in fertilization and form a diploid zygote. Gametes are haploid egg or sperm that fuse to form a zygote. Diploid zygotes are the result of a haploid sperm and egg combining.
 A: (F)

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Q: What is a diploid zygote the result of?
Options:
- (A) photosynthesis
- (B) Plant reproduction
- (C) diploid sperm and egg
- (D) mate with females
- (E) Leptospirosis
- (F) haploid sperm and egg
- (G) triploid sperm and egg
- (H) two haploid eggs