Across
- 1. looks like an X
- 6. The outside appearance of an organism
- 8. A chart used to predict traits
- 9. - An organism with two different alleles
- 10. The genetic makeup of an organism
- 11. - holds dna
- 12. A trait that always shows up
- 15. Cells used for reproduction
Down
- 2. A change in DNA
- 3. The passing of traits from parents to offspring through genes
- 4. A trait that can stay hidden
- 5. the study of heredity
- 7. An organism with two matching alleles
- 13. Different forms of a gene
- 14. characteristic passed from parents to offspring
