Across
- 2. a threadlike structure of nucleic acids found in the nucleus
- 4. genetic makeup of an organism
- 5. having two different alleles for a trait
- 7. specific physical characteristic
- 8. contains genetic information responsible for the development of an organism
Down
- 1. two identical alleles for a trait
- 3. the passing of traits from one generation to the next
- 6. section of DNA that codes for a specific trait
