Across
- 3. selection and breeding of organisms for desired traits
- 7. organism's genotype that has two different alleles for a trait
- 8. alleles of all the genes on an organism's chromosomes
- 9. genetic factor that blocks another genetic factor
Down
- 1. passing of traits from parents to offspring
- 2. the study of how traits pass from parents to offspring
- 4. organism's genotype that has two identical alleles for a trait
- 5. how organism's traits appear or are expressed
- 6. genetic factor blocked by the presence of a dominant factor