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