Across
- 5. the process in sexual reproduction in which an egg cell and sperm cell join to form a new cell
- 7. the trait that is hidden when the dominant allele is present
- 8. the offspring of many generations that has the same form of a trait
- 10. is an offspring that has two different alleles for a trait
Down
- 1. the trait that always shows up in the organism when the allele is present
- 2. the scientific study of heredity
- 3. different forms of a gene
- 4. a sequence of DNA that determines a trait and is passed from parent to offspring
- 6. the passing of physical characteristics from parents to offspring
- 9. a specific characteristic that an organism can pass to its offspring through its genes