Kayhan Kohistani Unit 8: Cell Specialization

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Across
  1. 2. after the zygote divides into 16-32 cells
  2. 4. chemicals secreted by certain cells in the early embryo
  3. 8. process of unspecialized cells becoming specialized
  4. 9. stem cells of the blastocyst that can make most cell types but not a whole organism
  5. 11. Fertalized egg
  6. 13. stem cells that can become all blood types
  7. 14. the eight cells of the morula that can become any type of cell, can form an entire organism
  8. 15. stem cells that can only make one type of cell
Down
  1. 1. adult stem cells that can only become a narrow range of cell types
  2. 3. five to six days after the formation of the morula
  3. 5. stem cells that can only differentiate into the three types of white blood cells
  4. 6. stem cells coming from bone, cartilage, muscle and fat cells
  5. 7. undifferentiated cells
  6. 10. stem cells that come from umbilical cord cells
  7. 12. all the genes in an organism