Across
- 2. An allele that shows its trait even when only one copy is present.
- 4. Thread-like structures made of DNA that carry genes.
- 6. is a section of DNA that carries instruction for a trait.
- 8. is the observable trait of an organism, like eye color or height,
- 9. Is a characteristic of a living thing, like eye color or height.
- 10. The molecule that carries genetic instruction for living things.
- 13. All external factors that can influence a person's genes are expressed.
- 14. The passing of traits from parents to offspring.
- 15. The genetics makeup of an organism the combination of alleles is has for a trait.
Down
- 1. A change in DNA that can create new traits
- 3. The study of how traits are passed from parents to offspring through genes.
- 5. Masked or not able to show itself despite being in the DNA.
- 7. The body's response to a challenge or pressure from the environment.
- 11. A different version of genes.
- 12. Differences in traits among individuals of the same species.