學士後 - 普通生物學（生物學）題庫下載題庫

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20.A source for stem cells to be found in humans is in ____?
(A) Adults, in several specialized tissues；
(B) Skin cells；
(C) Embryos, after division of the original zygote；
(D) All of the answer are correct.



20.A source for stem cells to be found i..-阿摩線上測驗