Across
- 3. having two different alleles
- 5. the study of heredity
- 7. a self-replicating material that is present in nearly all living organisms as the main constituent of chromosomes.
- 8. dominant trait or gene.
Down
- 1. relating to or denoting heritable
- 2. two identical alleles
- 4. the passing on of physical or mental characteristics genetically
- 6. belonging to one person