Across
- 5. is a thread-like structure found in the nucleus of a cell that carries genetic information(DNA).
- 6. spring the young of a person, animal or plant
- 7. the passing of traits from parents to offspring
Down
- 1. the study of heredity
- 2. the different form of a gene
- 3. the weak form of a gene
- 4. creater of this crossword