Across
- 6. how a trait appears or is expressed
- 7. All living things are made out of _________
- 10. a distinguishing characteristic of an organism
- 13. DNA-containing structure in the nucleus (looks like an ‘X’)
- 14. a section of DNA on a chromosome that has genetic information for one trait
- 15. the study of how traits are passed from parents to offspring
Down
- 1. the two alleles that control the phenotype of a trait
- 2. a membrane-bound part of a cell that has a specific job
- 3. the passing of traits from generation to generation
- 4. A different form of a gene
- 5. when an individual inherits two different alleles of the same gene
- 8. the brain of the cell, holds Chromosomes
- 9. a trait that is blocked by the presence of a dominant factor
- 11. when an individual inherits two of the same alleles for a gene
- 12. a trait that blocks another trait