28. Which of the following statements regarding stem cells is correct? 1. Stem cells can do asymmetric cell division. 2. Cord blood stem cells are pluripotent. 3. Induced pluripotent stem cells can differentiate into any of the three germ layer cells.
(A) 1 and 2
(B) 1 and 3
(C) 2 and 3
(D) None of above
(E) All of above