Final answer:
The correct statement about how Sarah Zielinski introduces and develops her points is that she starts with her interest in Henrietta Lacks's story, elaborates on the immortal human tissue sample, and discusses its significance and the controversies surrounding it.
Step-by-step explanation:
The most accurate statement that explains how Sarah Zielinski introduces and develops her points in the article about Henrietta Lacks is: "Zielinski explains how her interest in the Henrietta Lacks story began then provides details about the first immortal human tissue sample and tells why it has been both important and controversial." This statement encompasses the initial fascination with the HeLa cells, their significance in medical research due to their immortality, and hints at the ethical issues surrounding their procurement and use without consent. Zielinski lays out the history and importance of the topic before delving into the more complex ethical questions, thus providing a holistic view of the HeLa cells' legacy and controversial origins.