How did Jerome sustain his injury?

Jerome's injury was the result of a car accident, which is critical to his character development in the film "GATTACA." This injury left him with a significant physical disability that impacted his life and aspirations. Jerome, portrayed as someone who was genetically engineered for perfection, faces challenges after the accident, leading to a struggle with his identity and ambitions. The accident serves as a pivotal plot point, emphasizing themes of genetic destiny versus individual choice, as he navigates a society that values genetic perfection over personal merit. The nature of his injury from the car accident also reflects the unpredictable nature of human life, contrasting sharply with the deterministic world of genetics that the film explores.