The use of stem cells in research and treatment remains controversial because stem cells come from:

Question

Quizplus · Accepted Answer

Stem cells primarily come from human embryos, which is a source of ethical debate due to the destruction of the embryo that occurs during the extraction process. While stem cells can also be sourced from adult donors, this requires invasive and often painful procedures to collect viable cells. Stem cells from nonhuman species or genetic engineering are not commonly used in research or treatment.

The Use of Stem Cells in Research and Treatment Remains