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25-Jun-2016 17:11

Blood and DNA samples are maintained in Jim's lab along with a database that links unique identifiers - but not patient names - with the data.

One day, Renee, one of the other graduate students in the lab, approaches Jim and starts asking questions about the samples he's working with.On first contact with a potential participant, a genetic counselor explains the study and arranges for a meeting to begin the informed-consent process.During this meeting, participants learn about the aims of the project, their role as subjects, and the risks and benefits involved in participation. For his thesis research, he is mapping a gene involved in blood-sugar homeostasis.

Jim is a graduate student in the department of genetics.

She explains that for her work on sickle-cell anemia and mutations in a hemoglobin gene in African-Americans she needs 50 ethnically matched control samples.