Compare the ethical issues and informed consent process between 1951 and today. Do you feel it is appropriate to use ethic definitions from today to define ethics/consent for 1951?

1-What are HeLa cells and how were they discovered? Give a full explanation of the source of the HeLa cell.
2-What medical advances have been attributed to the HeLa Cells?
3-Are ethical and moral discussions concerning the use of these HeLa Cells? Completely define those issues that cause these concerns.
4-Compare the ethical issues and informed consent process between 1951 and today. Do you feel it is appropriate to use ethic definitions from today to define ethics/consent for 1951?