| __ | 1. | allele | | A. | alternative forms of a gene for a characteristic |
| __ | 2. | autosomal chromosomes | | B. | control normal body functioning, not gender characteristics |
| __ | 3. | biodiversity | | C. | variation in different species in a community |
| __ | 4. | chromosomes | | D. | thread-like structures within the nucleus |
| __ | 5. | codominance | | E. | the heterozygote shows expression of both alleles |
| __ | 6. | convergent evolution | | F. | tendency to unrelated organisms to show similar features |
| __ | 7. | dominant | | G. | determines the trait displayed in the phenotype |
| __ | 8. | natural selection | | H. | the appearance of the organism due to genotype and environm |
| __ | 9. | phenotype | | I. | gives rise to well adapted species |
| __ | 10. | Punnet square | | J. | diagram to determine offspring ratios |