The 2010 Entering Freshman Class at the University of California

The 2010 entering freshman class at the University of California, Berkeley was invited to give a saliva sample to test for genetic markers. Eventually, the university was forced to shut down the study due to ethical concerns. What might have been a main ethical concern of this study?

A) the use of genetic profiles
B) student confidentiality
C) lack of Human Subjects' clearance
D) inability to ensure anonymity
E) spread of disease through the process