Who is the character that states "I had you sequenced"?

The character who states "I had you sequenced" is Irene. This line reflects the themes of genetic identity and the societal implications of genetic manipulation within the world of "GATTACA."

Irene, portrayed as a genetically engineered individual who grapples with the expectations and limitations placed on her due to her DNA, emphasizes the pervasive nature of genetic determination in their society. By saying this line to Vincent, who is a 'faith birth' and considered genetically inferior, it illustrates the significant divide between those who are deemed genetically superior and those who are not. The conversation highlights the tension and prejudice surrounding genetic identity, showcasing how the characters navigate their relationships in a world where genetics dictate perceived worth.

The significance of this statement lies in its broader commentary on the ethical questions surrounding genetic engineering and the important themes of destiny versus free will that permeate the narrative.