I don't really know but I pick b.have always been vestigial.
Answer:
Other important ethical issues relate to informed consent of both donors of gametes and embryos as well as recipients of stem cells and stem cell products. Further, there has been some concern related to the commercialization of the process, justice, and the responsible conduct of research.
Explanation:
Answer:
A and B
Explanation:
the other 2 answers are just obviously wrong
