Across
- 3. double-helix structure
- 5. An organism's observable characteristics
- 7. The change or rearrangement of genes and chromosomes
- 9. Passing of genetic traits to offspring
- 12. A trait influenced by two or more genes
- 13. Offspring of two separate species
- 15. Gene with two different alleles
Down
- 1. Two alleles being displayed equally
- 2. An organism's genetic makeup
- 4. Different versions of the same trait
- 6. Gene with two identical alleles
- 8. A person's child
- 10. A trait that will always appear
- 11. A trait that must be contributed to by both parents
- 14. Humans have 46