Final answer:
The theme of the story is the danger of playing God and the consequences of scientific ambition, as shown through the character of Victor Frankenstein.
Step-by-step explanation:
The theme that Shelley reveals in this story about the creation of life in a laboratory is the danger of playing God and the consequences of scientific ambition. The subtitle, "The Modern Prometheus," refers to the mythological figure Prometheus who created humans and gave them fire against the gods' wishes. He suffered punishment for his disobedience, just as Victor Frankenstein suffers the consequences of his actions in the story.
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