Across
- 3. Mutation: An exchange of one letter on the genetic code for another
- 6. Subtraction of one letter on the genetic code
- 10. When a trait is able to be passed from parent to offspring (from today).
- 11. The percentage of the population of each trait in a given generation.
- 12. An addition of one letter on the genetic code.
Down
- 1. One base is changed to a different base. It may or may not affect the amino acid
- 2. A unit of heredity
- 4. these features support successful survival and reproduction in the new environment become more common; those that do not become less common
- 5. This trait has the highest percentage present in most of the population.
- 7. A sudden change in a gene, trait or segment of DNA.
- 8. What DNA is made of.
- 9. The ability to develop an immunity to a chemical from a mutation.