What was the ethical issue with HeLa cells ?

HeLa was mass-produced to help researchers of cancer, herpes, leukemia, sexually transmitted diseases, Parkinson's disease, appendicitis, hemophilia and gene mapping. But their harvest was illegal. The Lacks family had no awareness that Henrietta's cells were being used for research

i'd think it's paralell

prokaryotic cells do not have a nucleus in which the dna is stored in, it floats freely inside the cell.

eukaryote cells do have a nucleus in which the dna is stored in.