Across
- 2. a characteristic of an individual
- 7. the genetic makeup of an organism
- 9. having two different alleles
Down
- 1. is the process of sexual reproduction in which the cells combine
- 3. one of a number of different forms of a gene
- 4. having two identical alleles
- 5. the physical characteristics of an organism
- 6. is the scientific of hereditary
- 8. the likelihood that a particular thing will happen