HeLa
Some people find it concerning that Henrietta Lacks wasn't asked for permission. This is because a lot of molecular biology techniques rely on DNA sequencing, so whenever the results of an experiment are published, the genetic information of the subject used is also put on full display. This is less of a problem when the identity of the sample's origin is fully protected, but troubling in the case of Henrietta Lacks. This is because full genome sequencing can reveal personal information like race, sex, and genetic history. In 2013, the entire HeLa cell line genome sequence was made public without the consent of Lacks' surviving family. Even though pieces of the HeLa genome have been sequenced separately, it is still possible to find genetic sequences that are often inherited together. This has the potential to reveal information about Lacks' surviving family. Critics argue that this represents a serious breach of privacy on behalf of the Lacks family. Since then, a new National Institutes of Health policy requires that researchers apply for special permission to access the full genome sequence.