- Trait . characteristic that is inherited; can be either dominant or recessive
- Heredity . passing on of characteristics from parents to offspring
- DNA. deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.genetic information.
- Gene. a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.
- Chromosomes. a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.