Across
- 7. caused by external conditions like climate, food.
- 8. due to changes in DNA; can be inherited.
- 9. ,Sudden, stable change in DNA producing new traits.
- 10. occurring in body cells (not inherited).
Down
- 1. arising from new combinations of parental genes.
- 2. ,Mixing of genes during meiosis that increases variability.
- 3. ,Natural differences seen among individuals of the same species.
- 4. that is passed from parents to offspring.
- 5. ,Variability caused by environmental factors; not inherited.
- 6. occurring in reproductive cells; inherited.