Across
- 3. allele that is always expressed when present
- 6. genotype with two different alleles
- 7. trait gained by learning, choice, or environmental influence
- 9. trait passed on from parent to offspring through DNA
- 12. genotype with two identical alleles
- 14. the study of heredity and variation of inherited traits
- 15. "___ square"; genetics tool used to predict genotypes and phenotypes of offspring
- 16. allele that is expressed only when the dominant allele is not present
Down
- 1. percent probability of human offspring being male or female
- 2. pair of alleles inherited for a particular trait
- 4. one form or version of a gene for a particular trait
- 5. specific form or version of trait that is expressed
- 8. material needed by cells to do its jobs and to express traits in an organism
- 10. the passing on of traits to the next generation of organisms
- 11. an observable feature or characteristic
- 13. section of DNA containing information to build a particular protein