Related Words

Tumor Suppressor Genes: Genes that normally keep cell division under control, preventing the cell from responding to internal and external commands to divide.

Spermatogenesis: The development of sperm cells from spermatocytes to mature sperm, including meiosis.

Polygenesis: The theory that, if two similar stories, words, or images appear in two different geographic regions or languages, they are actually unrelated to each other. Each one arose independently. Fo . . . View Full Definition

Osteogenesis Imperfecta: A condition also known as brittle bone disease: characterized by a triangular shaped face with yellowish brown teeth, short stature and stunted growth, scoliosis, high pitched voice, excessi . . . View Full Definition

Suppressor Gene: A gene that can suppress the action of another gene.

Parthenogenesis: The development of an individual from an egg without fertilization.

Targeted Mutagenesis: Deliberate change in the genetic structure directed at a specific site on the chromosome. Used in research to determine the targeted region's function.

Tumor Suppressor Gene: Genes that normally function to restrain the growth of tumors: the best understood case is for hereditary retinoblastoma.

Tumor: An abnormal mass of tissue. Tumors are a classic sign of inflammation, and can be benign or malignant (cancerous). There are dozens of different types of tumors. Their names usually reflect . . . View Full Definition

Thermiogenesis: The generation of heat by raising the bodys metabolic rate; controlled by the hypothalamus.