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3. __________ cloning involves cloning somatic cells to generate a blastocyst, which can be used as a source of ES cells
5. the first iPS cells were made using __________ infection
6. ____________ are structures at the ends of chromosomes that prevent the loss of genetic material when the cell divides
9. Fetal tissue cells are generally a mixture of stem cells and ___________
11. Hematopoietic stem cells give rise to ________ progenitor cells and lymphoid progenitor cells
13. MSCs are found in the _________ bone marrow region

1. ES cells generated from artificial egg activation without sperm, are called ___________ stem cells
2. The 6 genes that were used to make iPS cells are Oct3,4, SOX2, c-Myc, Klf4, Lin28, and _________ .
4. Hair follicle cells give rise to cells of the ________ .
7. A small number of neural stem cells exist in the adult brain, they give rise to granule cells and ____________ neurons
8. Stem cells intestine are found in the _______ .
10. An important advantage of iPS cells is that they abolish the need for ________
12. A subset of MSCs that consist of about 1-2% of the cells and that may have more therapeutic potential than other MSCs is called ___________ cells