Explain the relationship among genes, chromosomes, and deoxyribonucleic acid (DNA).

Explanation should include

defining gene, chromosome, and DNA
describing the ways genes, chromosomes, and DNA are related
identifying the significance of the fact that the number of chromosomes in a cell is species-specific
describing sex-linked traits (e.g., tortoiseshell color pattern) and chromosomal abnormalities (e.g., hemophilia, malocclusion).

Process/Skill Questions: