| __ | 1. | Autosomes | | A. | Any chromosome that is not a sex chromosome |
| __ | 2. | centromere | | B. | Each of the two threadlike strands in the chromosome |
| __ | 3. | chromatid | | C. | holds the two sister chromosomes |
| __ | 4. | chromatin | | D. | A threadlike structure of nucleic acids and protein |
| __ | 5. | chromosome | | E. | Two of each chromosome,one from each parent |
| __ | 6. | diploid | | F. | material of the chromosomes other than bacteria |
| __ | 7. | gene | | G. | protein that helps DNA to coil around it |
| __ | 8. | haploid | | H. | made up of DNA, act as instructions to make proteins |
| __ | 9. | histone | | I. | Chromosomes with matching information |
| __ | 10. | homologous chromosomes | | J. | one set of chromosomes |