Across
- 1. the molecule of life
- 7. having 2 different alleles Ex: Bb
- 9. these alleles are always expressed when present and use capital letters
- 11. genes contain instructions that make __________
- 12. the study of heredity
Down
- 2. different variations of a gene are known as _______________
- 3. having 2 of the same alleles. Ex: BB
- 4. the passing of traits from parents to offspring
- 5. the observable traits or characteristics determined by the genotype. Ex: brown eye color
- 6. thread like structures found in the nucleus of a cell
- 8. the genetic makeup of an individual. Ex: BB, Bb, or bb
- 10. these alleles are expressed only when 2 copies are present and use lowercase letters