1. A gene is a segment of deoxyribonucleic acid.
2. Gene sequences are unique throughout the genome.
3. All the elements needed to produce protein, tRNA or rRNA are encoded in genes.
4. Crossovers and mutations occur between genes for rearrangement.
5. Genes can influence other traits and this happens often.
6. Some genes may be partially responsible for the expression of a specific trait. In this case another gene acts to fully express the trait.