Across
- 4. The study of heredity.
- 7. The name for a variation of a gene.
- 8. The corkscrew shape of DNA.
- 9. A type of variation that changes gradually.
Down
- 1. Differences between organisms of the same species.
- 2. A new organism with the same DNA.
- 3. A type of variation that is qualitatively different.
- 4. The section of DNA that codes for a trait.
- 5. A characteristic of an organism.
- 6. A picture of the complete set of chromosomes of an organism.