Which one of the following is the bio-ethically non-controversial source of stem cells as an alternative to the highly controversial embryonic stem cells?

Bone marrow-derived stem cells
Amniotic fluid derived stem cells
Blood of foetus
Blood of babies

General science

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Answer:

Option A: Bone marrow-derived stem cells

Detailed Solution:

The correct answer is “Bone marrow-derived stem cells ”.

Bone marrow-derived stem cells are considered a bioethically non-controversial alternative to embryonic stem cells.

Amniotic fluid-derived stem cells (AFSCs) are also considered less controversial than embryonic stem cells (ESCs) because they are obtained from amniotic fluid that would otherwise be discarded after birth.