Across
- 3. Contains the genetic material of a cell
- 5. A different form of a gene.
- 6. Long molecule of DNA found in the nucleus
- 8. A short section of DNA
- 10. Two alleles which are the same.
Down
- 1. The characteristic shown by an organism.
- 2. Allele which is only expressed if the dominant allele is absent.
- 4. Two alleles which are different from each other.
- 7. Each gene codes for a specific _______.
- 9. Allele which is always expressed.
- 11. The alleles possessed by an individual.