The structure in the center of each cell that holds chromosomes. A gene responsible for regulating the growth cycle of a cell. A mutation to this gene can cause certain types of cancer. These traits are not always inherited. A large, complex molecule made up of one or more amino acid chains.
Proteins are responsible for many activities at the cellular level.
A trait or disorder that appears only in a child who has received two copies of the same mutant gene, one from each parent. RNA delivers important genetic messages to the cytoplasm of cells, where proteins are made. Sex-linked diseases are only seen in men. Children born with Tay-Sachs die before the age of ten.