Across
- 2. fur, feathers, scales, or other protection on an animals body
- 4. Also known as “Survival of the Fittest”. The best traits are for the next generation.
- 6. The percentage of the population of each trait in a given generation.
- 8. Subtraction of one letter on the genetic code
- 10. When a trait can be passed from parent to offspring (from today).
Down
- 1. This trait has the highest percentage present in most of the population
- 3. a sudden change in a gene
- 5. What DNA is made of
- 7. The ability to develop an immunity to a chemical from a mutation.
- 9. a unit of heredity
