Across
- 7. passing to features to offspring
- 8. physical appearance
- 9. different forms of gene
- 10. allele: masked by dominant allele
Down
- 1. allele: always present in organism
- 2. genetic makeup
- 3. factors that control a trait
- 4. offspring that has parents of the same trait
- 5. study of heredity
- 6. crucial geneticist