What is the key theme of identity in GATTACA?

The key theme of identity in GATTACA revolves around the struggle between one's true self and the societal labels imposed based on genetics. The film portrays a future where genetic engineering determines an individual's social status and perceived potential. Characters like Vincent argue against these genetic determinism ideologies, exploring how they define their identities beyond their genetic backgrounds. Vincent's journey illustrates the conflict between his personal aspirations and society's expectations, generating a rich narrative about how identity can be shaped by personal choices rather than hereditary attributes. This theme resonates throughout the story, emphasizing the importance of individuality and self-determination in the face of systemic prejudices based on genetics.