Across
- 1. The physical appearance of an organism
- 7. The complete set of DNA in an organism
- 9. A version of a gene
- 10. A structure that contains DNA and genes
- 12. Having two identical alleles for a trait
- 13. The combination of alleles an organism has
- 14. The process by which a cell divides to produce two identical c
- 15. The study of heredity
- 16. A change in DNA sequence
Down
- 2. The passing of traits from parents to offspring
- 3. Having two different alleles for a trait
- 4. The shape of DNA
- 5. A section of DNA that codes for a trait
- 6. The molecule that carries genetic information
- 8. A trait expressed only when no dominant allele is present
- 11. A trait that masks another trait