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Mrs. Hall


unrestrained cell growth that has escape the normal controls of the cell cycle

genetic disorder

any malfunction or malformation of an individuals body that is cause by a gene or group of genes


causes cells to begin to divide uncontrollably, if the cells overwhelm the tumor suppressor genes, a tumor starts to grow


the change in form that an organism undergoes, is controlled by the expression of the genes


cancers that spread beyond the boundaries of the original tumor to other parts of the body

homobox gene

the master control gene, tells genes when to turn on and off


cancer cells that stay within the body of the tumor and do not spread to other parts of the body

gene expression

the activation of turning of a gene that results in its transcription and the production of a specific protein

proto - oncogenes

code for proteins that stimulate cell division directly or by producing other proteins that affect the synthesis of growth factors

tumor suppressor genes

produce proteins that prevent uncontrolled cell growth


to lack a dark-colored pigment called malanine, which is necessary to make most of the pigments that color various parts of the body


any substance that increases the risk of cancer


an abnormal mass of cells produced by abnormal cell divisions

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