Suppose That a Researcher Is Successful at Producing Induced Pluripotent

Multiple Choice

Suppose that a researcher is successful at producing induced pluripotent stem cells (iPS) for replacement of pancreatic insulin-producing cells for people with type 1 diabetes. Which of the following could still pose problems for this individual?
I.the possibility that, once introduced into the patient, the iPS cells produce non-pancreatic cells
II.the failure of the iPS cells to take up residence in the pancreas
III.the inability of the iPS cells to respond to appropriate regulatory signals

A) I only
B) II only
C) III only
D) I, II, and III