Across
- 5. These kinds of tumors do not spread.
- 6. Organisms with __________ cells are unicellular and microscopic.
- 7. What is the basic unit of matter?
- 11. _________ cells have pairs of homologous chromosomes.
- 12. A scientific approach that explains nature through the proposing and testing of hypotheses.
- 14. Trisomy 21 causes _____ __________.
- 16. Haploid cells have one set of chromosomes, which are ________.
- 17. The biochemical units of heredity that make up the chromosomes.
- 18. These proteins help make up chromatin.
- 19. Chromatids are joined together at the ___________.
Down
- 1. The __________ of evolution says humans evolved from apes.
- 2. Prokaryotic cells divide through ______ _________.
- 3. Chromosomal abnormalities can be detected through a ___________.
- 4. If you created a possible explanation for a set of observations, it would be a ________.
- 8. What kind of experiment did Francesco Redi use to disprove spontaneous generation?
- 9. Animals, protists, plants, and fungi have these kinds of cells.
- 10. Nondisjunction is when the chromosomes fail to __________.
- 13. a typical human cell has two sets of __________.
- 15. Our _____ contains the information that determines inherited characteristics.
- 20. ________ only makes up 10% of the cell division process.