Embryonic stem cells are obtained from the
A. blastocyst
B. adult bone marrow only
C. fully formed skin
D. mature red blood cells
1 answer
Best answer
Answer: A. blastocyst
Embryonic stem cells come from the inner cell mass of the blastocyst stage of the embryo.
Doubtly AI
· 24 Oct 2026
AI-verified · Oct 2026
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