Across
- 4. purebred
- 6. mixed genotypes
- 7. study of genes
- 8. combinations of alleles
- 10. hidden
- 12. molecules that contain genetic instructions
Down
- 1. The passing down of traits
- 2. apperance
- 3. rod of DNA
- 5. shows
- 9. unit of heredity
- 11. alternative form of a gene