Across
- 4. specialized cell involved in sexual reproduction
- 7. both alleles contribute to the phenotype of the organism
- 9. the scientific study of heredity
- 11. cases in which one allele is not completely dominant over another
- 14. the chemical factor that determines traits
- 15. a specific characteristic
- 17. when parents pass down a specific phenotype trait to their offspring
- 18. a cell that contains both sets of homologous chromosomes
- 20. predicts the outcome of certain traits
Down
- 1. genes that have more than two alleles
- 2. the different forms of a gene
- 3. the likelihood that a particular event will occur
- 5. traits controlled by two or more genes
- 6. the offspring of parents with different traits
- 8. genes for different traits can segregate independently during the formation of gametes
- 10. organisms that have two identical alleles
- 12. separation of alleles during gamete formation
- 13. organisms that have two different alleles
- 16. physical characteristics
- 19. genetic makeup