The option that consists of sperm cells and egg cells would be gametes.
Gametes are haploid male and female sex cells that are generated by reductional division or meiosis.
In the males, reductional division gives rise to the sperm cells or male gametes while egg cells or female gametes are the result in their female counterparts.
Sperm and egg cells fuse together to form zygotes during fertilization. Thus, both are referred to as gametes.
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