Across
- 5. study of heredity
- 6. different
- 7. the process of ________ over allows for genetic variation
- 10. more common
- 11. how traits are passed down
- 12. the way traits are expressed physically
Down
- 1. variation of a trait
- 2. the same
- 3. scientist that studied genetics
- 4. less common
- 8. an organism's genes
- 9. a characteristic that is different among individuals