Across
- 2. Offspring of parents that have different forms of a trait
- 4. Reproductive cells of an organism
- 5. The allele combination of an organism
- 7. What male and female reproductive cells form into
- 8. Different forms of genes
- 9. Fusion of gametes
- 11. Two alleles of a trait are the same
- 13. A hybrid that is heterozygous for alleles of two different genes.
Down
- 1. Characteristics of an organism
- 2. Two alleles of a trait are different
- 3. Basic unit of heredity that's passed down from generations
- 4. The scientific study of heredity
- 6. The passing on of characteristics from parent to offspring
- 10. The way an organism looks and behaves
- 12. If an offspring has only one different trait