Across
- 4. Traits that increase the fitness of an organism
- 6. Cells with a nucleus
- 8. A section of DNA that determines a trait
- 9. Two allel that are the same
- 10. The powerhouse of the cell
- 11. An example of this type of adaption would be having a hard shell
- 13. Cells with no nucleus
- 14. What a gene looks like; its physical appearance
- 15. The control center of a cell containing DNA
Down
- 1. The two letter code for a persons genes
- 2. Two allel that are different
- 3. The variety of living things in an organism
- 5. An example of this type of adaption would be playing dead
- 7. An allel that can mask another allel
- 12. This cells job is to make protein