Across
- 2. physical trait
- 3. building blocks in our cells that determine our traits.
- 5. genes that have a stronger influence over other genes
- 7. the study of how traits are passed down from parents to offspring.
Down
- 1. hair color is an example
- 4. small change in DNA
- 5. deoxyribonucleic acid
- 6. the cell organelle that contains the genetic material