Stem Cells

5. ______ stem cells come from the inner cell mass of the blastocyst.
7. _____ stem cells have the property of self-renewal; they age much more slowly than other cells.
8. In order to address the challenge of immune rejection of stem cell transplants, a technique called somatic cell _____ transfer (SCNT) may be employed.
9. Induced pluripotent stem cells can be created by introducing genes for _______ factors into adult stem cells.
10. _____ stem cells are less likely to form tumours than embryonic stem cells. However, they have lower potency.
12. Embryonic stem cells are _______.

1. SCNT can be used for reproductive cloning, which is to clone an embryo that can develop into a person, or ______ cloning, which is to collect embryonic stem cells that can be used for medical treatment.
2. Stem cells are cells that are capable of self renewal and _____.
3. ________ progenitor cells give rise to, for example, monocytes, macrophages and dendritic cells.
4. The first 4 cells produced by the first 2 divisions of the fertilised egg are ______. This means that they can differentiate into any type of embryonic cell and extra-embryonic cell.
6. Haematopoietic stem cells are _______.
11. While both types of cells are pluripotent, there is _____ ethical controversy surrounding the use of iPSCs as compared to the use of ESCs.
13. _______ progenitor cells give rise to natural killer cells, B lymphocytes and T lymphocytes.