Across
- 2. Having two different alleles for a gene
- 3. The study of how traits are passed from parents to offspring
- 4. An organism with two identical alleles for a trait
- 6. A trait that only shows if two copies are present
- 9. An organism produced by the selective mating of parents with desired traits
- 12. The result or child of parents
- 15. An organism with two different alleles for a gene
- 16. The molecule that carries genetic instructions
- 18. A disorder caused by abnormalities in genes or chromosomes
- 20. The process of choosing specific organisms to breed for desired traits
Down
- 1. The physical appearance or expression of a trait
- 5. A change in the DNA sequence
- 7. A structure in the cell nucleus that contains genetic material
- 8. A trait that masks the presence of another
- 10. The different forms of a gene
- 11. A segment of DNA that codes for a specific trait
- 13. One of the organisms that produces offspring
- 14. A person or organism that carries a gene but does not show the trait
- 17. The likelihood that a particular event will occur
- 19. The genetic makeup of an organism
- 21. A trait that can be passed down from parents to offspring