In the movie Gattaca where does Irene take her hair sample and why?

In the movie "Gattaca," Irene takes her hair sample to the genetic testing facility to ensure that Vincent can pass as a genetically superior person. She wants to help him achieve his dream of traveling to space by providing a sample that aligns with his false identity. This act highlights the themes of genetic discrimination and the lengths individuals will go to defy societal expectations.