Across
- 6. A factor that controls traits.
- 7. An allele whose trait is hidden in the presence of a dominant allele.
- 8. An organism with two different alleles for a trait.
- 9. Physical characteristics of organisms.
Down
- 1. An organism which is the offspring of many generations of the same trait.
- 2. Each different form of a gene.
- 3. The scientific study of heredity.
- 4. The passing of traits from parents to offspring.
- 5. An allele whose trait always shows up in the organism.