Please answer the following question by reasoning step-by-step.
What occurs in gametes?\nOptions:\n- (A) offspring\n- (B) pollen\n- (C) resistance\n- (D) Energy\n- (E) Energy.\n- (F) heat\n- (G) syngamy\n- (H) glucose

(G)
Gametes then unite in fertilization and form a diploid zygote.

Syngamy produces a diploid zygote.

Syngamy occurs in gametes.

.

Final answer: (G)