Across
- 5. a hidden allele wherever the dominant allele is present
- 6. the passing of physical characteristics from parent to offspring
- 7. to describe factors that control a trait
- 8. characteristics of an organism
- 9. when different types of alleles form something completly different
- 10. the scientific study of heredity
Down
- 1. the allele that shows the most
- 2. the offspring of many generations that has the same form of a trait
- 3. when egg and sperm cells join
- 4. the different forms of a gene