Across
- 4. always shown if present
- 5. hidden when with a dominant allele
- 7. two different alleles
- 10. physical expression of a gene
- 11. genetic makeup in letters
- 12. alleles separate when gametes form
Down
- 1. Each parent donates two alleles to the offspring
- 2. shows all possible combinations of alleles in a cross
- 3. different forms of a gene
- 6. Father of genetics
- 7. two of the same alleles
- 8. a unit of heredity
- 9. Each parent donates one allele to the offspring