Across
- 3. how cells reproduce
- 5. stage of early development in mammals that consists of a hollow ball of cells
- 9. An embryonic stage in animal development encompassing the formation of three layers: ectoderm, mesoderm, and endoderm.
- 11. repetitive DNA at the end of a eukaryotic chromosome
- 13. formation of organs
- 14. series of events in which a cell grows, prepares for division, and divides to form two daughter cells
- 16. one of two identical "sister" parts of a duplicated chromosome
Down
- 1. the process by which cancer spreads from one place to another
- 2. process in which cells become specialized in structure and function
- 4. structure in an animal cell that helps to organize cell division
- 6. DNA tightly coiled around histones
- 7. part of eukaryotic cell division during which the cell nucleus divides
- 8. Region of a chromosome where the two sister chromatids attach
- 10. unspecialized cell that can give rise to one or more types of specialized cells
- 12. sequence of DNA that codes for a protein and thus determines a trait
- 14. threadlike structure in the nucleus
- 15. disorder in which some of the body's cells lose the ability to control growth