Across
- 3. The branch of Biology that deals with the study of heredity
- 4. Chemical factors that determine traits
- 7. The site on a chromosome where a specific gene is located.
- 8. When an organism has 2 identical alleles
- 10. An organism’s genetic make-up
- 12. An allele that has the ability to mask the expression of another allele
Down
- 1. The transmission (passing on) of traits from the parents to the offspring
- 2. When an organism has 2 different alleles
- 5. A form of a gene whose effect is hidden by the dominant allele
- 6. The outward (physical) expression of the genotype
- 9. The offspring of crosses between parents with different traits are called
- 11. A specific characteristic