Genetics & Evolution SOL Review

3. Last name of the scientist who discovered the chemical structure of DNA with James Watson.
8. ___ are structures, functions, or behaviors that enable a species to survive.
9. Last name of the founder of genetics.
10. In genetic engineering, the ___ ___ is manipulated to obtain a desired product.
12. ___ traits mask the expression of recessive traits.
13. Large ears for cooling & sharp quills for protection are examples of ___ adaptations.
14. ___ are strands of tightly wound DNA.
16. A(n) ___ is an alternative form of a gene.
19. ___ are sections of chromosome that carry the code for a particular trait.
20. Characteristics that are acquired through ___ influences cannot be inherited.
21. Natural selection is the survival and reproduction of the individuals in a population that exhibit the traits that best enable them to ___ in their environment.

1. Genetic engineering has numberous practical applications in medicine, ___, and biology.
2. Detached earlobes is an example of a ___.
4. The gene for blue eye color is ___.
5. If a species does not include traits that enable it to survive changes in its environment, then the species may become ___.
6. The arrangement of ___ bases within the double helix forms a chemical code.
7. EE, Ee, & ee are examples of a ___.
11. Mutations are ___ changes because a mutation is a change in the DNA code.
15. Hibernation & migration are examples of ___ adaptations.
17. Last name of the scientist who discovered the DNA double helix.
18. ___ is a double helix molecule.