Across
- 4. the presence of two different alleles at a particular gene
- 5. cell division that ends with 2 daughter cells
- 6. specific characteristic of a person
- 9. the allele that is shown
- 10. cell division that ends with 4 daughter cells
- 12. a trait that is expressed only when the genotype is homozygous
- 13. a diagram of family history that uses symbols
Down
- 1. one of two are more DNA sequences
- 2. the hybrid of two individuals with homozygous genotypes which result in the opposite phenotype for a certain genetic trait
- 3. a tool that helps to show all possible allele combinations
- 4. the presence of two identical alleles at a particular gene
- 7. basic unit of heredity that is passed from parent to child
- 8. how pairs of gene variants are separated into reproductive cells
- 11. between two organisms which are identical hybrids for two traits