which is a source of adult stem cells?\no bone marrow\no amniotic fluid\no embryos\no gametes

which is a source of adult stem cells?\no bone marrow\no amniotic fluid\no embryos\no gametes
Answer
Brief Explanations:
Bone marrow is a well - known source of adult stem cells. Amniotic fluid contains fetal stem cells. Embryos are sources of embryonic stem cells. Gametes are reproductive cells and not sources of adult stem cells.
Answer:
bone marrow