Why does the character of Jerome Morrow play an important role in GATTACA?

Jerome Morrow plays a vital role in "GATTACA" primarily as a foil to Vincent, highlighting the themes of identity and the struggle against societal expectations based on genetics. While both characters are shaped by their genetic heritage, Jerome's life exemplifies the consequences of living up to the ideals of genetic perfection, yet he also illustrates the inherent limitations and emotional burdens that come with such expectations.

His seemingly perfect genetic background, which is designed to elevate him in a society obsessed with genetic superiority, contrasts sharply with Vincent's determination to defy his genetic predisposition as a "de-gene-erate." Jerome's character allows for a deeper exploration of the film's core themes—while Vincent is striving to overcome his perceived inferior genetics and chase dreams beyond societal constraints, Jerome represents what happens when those constraints are realized but come with unforeseen challenges. He embodies the idea that genetic perfection does not guarantee happiness or fulfillment, providing a powerful commentary on the limits of genetic engineering and the human experience. This dynamic underscores Vincent's journey, showcasing the resilience of the human spirit in the face of genetic determinism.