A chemical inside the nucleus of a cell that carries the genetic instructions for making a living organism. A portion of DNA that passes those instructions on from parent to offspring.
Genes also contain the information needed to make a specific protein.
The package of genes and DNA contained in the nucleus of a cell. Humans have 22 pairs of chromosomes plus two more that determine sex. Each pair is made up of one chromosome from the mother and another from the father. All the DNA contained in an organism or a cell. RNA delivers DNA's genetic message to the portion of a cell where proteins are made.