Unit 4a Vocabulary

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Across
  1. 3. Series of events in which a cell grows, prepares for division, and divides to form two daughter cells
  2. 6. Disorder in which some of the body's cells lose the ability to control growth
  3. 8. Part of eukaryotic cell division during which the cell nucleus divides
  4. 9. The process of formation of organs from three germ layers
  5. 12. Substance found in eukaryotic chromosomes that consists of DNA tightly coiled around histones
  6. 14. (Of a cancer) spread to other sites in the body by metastasis
  7. 15. When a cell divides into two daughter cells
  8. 16. Sequence of DNA that codes for a protein and thus determines a trait; factor that is passed from parent to offspring
  9. 17. Repetitive DNA at the end of a eukaryotic chromosome
Down
  1. 1. One of two identical “sister” parts of a duplicated chromosome
  2. 2. Region of a chromosome where the two sister chromatids attach
  3. 4. Structure in an animal cell that helps to organize cell division
  4. 5. Stage of early development in mammals that consists of a hollow ball of cells
  5. 7. An embryo at the stage following the blastula, when it is a hollow cup-shaped structure having three layers of cells
  6. 10. Threadlike structure within the nucleus that contains genetic information that is passed on from one generation to the next
  7. 11. Process in which cells become specialized in structure and function
  8. 13. Unspecialized cell that can give rise to one or more types of specialized cells