All of the following are features of stem cells except?

Ans. is 'c' i.e., Used in gene therapyImpoant uses of stem cells are :?1) The most impoant use of human stem cells is generation of cells and tissues that could be used for cell-based therapies. Stem cells, directed to differentiate into specific cell types, offer the possibility of a renewable source of replacement cells to treat diseases including parkinsonism, Alzheimer's disease, spinal cord injury, diabetes, osteoahritis, RA, and hea diseases.2) Stem cells are used as bone marrow transplantation in various types of leukemia and lymphoma.3) Other uses are production of knockout mice, to test new drugs and to treat cancer and bih defects. o The sources of stem cells (for their use) are bone marrow, adipose tissue, blood and umbilical cord.Stem cells may be multipotent or unipotent.Stem cells are found in peripheral blood, yolk sac, liver and bone marrow.