Across
- 4. a threadlike body in the cell nucleus that carries the genes in a linear order
- 7. The process of doubling the DNA that occurs before mitosis
- 8. reproduction without the fusion of gametes
- 9. The number of chromosomes a human diploid cell has.
- 10. cylindrical organelle that forms spindle fibers
- 12. DNA wrapped around proteins form this substance
- 17. help pull apart the cell during replication and are made up of micrtubules
- 19. the stage of meiosis or mitosis when chromosomes move toward opposite ends of cell
- 20. the phase of a cell's life cycle between the reproductive stages of mitosis
- 21. the first stage of mitosis when chromosomes form from chromatin and the nuclear membrane is absorbed into the cell
- 22. The number of chromosomes a human haploid cell has.
- 24. The male haploid sex cell
Down
- 1. having two of each chromosome
- 2. the division of the cytoplasm
- 3. reproduction involving the union or fusion of a male and a female gamete
- 4. one of two identical strands into which a chromosome splits during mitosis
- 5. Word describing the two chromosomes in a pair that have genes that code for the same kinds of traits
- 6. The proteins that DNA wraps around in order to supercoil
- 11. sex cells are considered this because they have half the amount of chromosomes
- 13. a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape
- 14. cell division that produces reproductive cells in sexually reproducing organisms
- 15. the final stage of mitosis
- 16. the interchange of sections between pairing homologous chromosomes during the prophase of meiosis
- 18. the second stage of mitosis where chromosomes line up in the middle of the cell
- 23. The female haploid sex cell