While some mutations can benefit an organism, others are harmful and can lead to cancer. which of the following best describes how mutations can cause cancer in an organism? cell division becomes uncontrolled when mutations occur in genes that regulate cell division. cells with mutations outnumber and consume normal cells that do not have mutations. a mutation can attack a cell's dna and cause an autoimmune response in the cells. mutations cause cells to become unable to divide and the cells die in masses, forming tumors.