試題詳解

14. Which statement listed below regarding stem cells is correct? 　1. Stem cells can perform asymmetric cell division. 　2. Stem cells can be found in both mouse embryonic and adult tissues. 　3. Totipotent stem cells can form all the cell types in a body, plus the extraembryonic or placental cells. 　4. Pluripotent stem cells can differentiate into endoderm, mesoderm or ectoderm cells.
(A) 1 and 2 are correct.
(B) 1 and 3 are correct.
(C) 1, 2, and 3 are correct.
(D) 1, 2 and 4 are correct.
(E) All of the above are correct.