Across
- 4. Region of a chromosome where the two sister chromatids attach
- 5. stage of early development in mammals that consists of a hollow ball of cells
- 8. erepetitive DNA at the end of a eukaryotic chromosome
- 9. part of eukaryotic cell division during which the cell nucleus divides
- 11. process in which cells become specialized in structure and function
- 13. a sequence of DNA that determines a trait passed from parent to offspring
- 14. structure in an animal cell that helps to organize cell division
- 15. an embryo at the stage following the blastula, when it is a hollow cup-shaped structure having three layers of cells.
Down
- 1. Threadlike structure within the nucleus that contains genetic information that is passed on from one generation to the next
- 2. organ formation that takes place during the first two months of prenatal development
- 3. process in which a cell divides into two new daughter cells
- 6. One of two identical "sister" parts of a duplicated chromosome
- 7. the process by which cancer spreads from one place to another
- 10. unspecialized cell that can give rise to one or more types of specialized cells
- 12. disorder in which some of the body's cells lose the ability to control growth