Across
- 2. person with genotype that is not expressed
- 3. having two identical alleles for a trait
- 6. an organism has extra sets of chromosomes
- 8. scientific study of heredity
- 9. breed from closely related people or animals
Down
- 1. having two different alleles for a trait
- 2. both alleles for a gene are fully expressed
- 4. An organism's genetic makeup
- 5. has two different alleles for a trait
- 7. An organism's physical appearance
- 10. one gene alters the effects of another gene