Across
- 2. A molecule that carries the instructions needed to build and operate the organism
- 4. An allele that is expressed whenever it is present
- 7. The scientific study of inherited traits
- 10. A genotype in which the two alleles are different from one another
- 11. The passing of traits from parents to offspring
- 12. Different versions of the same gene
Down
- 1. The observable characteristic produced by a pair of alleles
- 3. An allele which is only expressed if a dominant allele is not present
- 5. A genotype in which both alleles are the same
- 6. The combination of alleles an organism possesses for a particular gene
- 8. Structures which contain many genes
- 9. A section of DNA that contains instructions for one inherited trait