Which of the following correctly ranks stem cell potency from most to least potent?
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Correct answer: Totipotent > Pluripotent > Multipotent > Unipotent
Totipotent cells (e.g. zygote) can form all cell types including extra-embryonic tissues; pluripotent cells can form nearly all body cell types; multipotent cells generate a restricted lineage; unipotent cells only one cell type — so potency decreases in that order.
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