explain how a change in a gene controlling the cell cycle can result in cancer.?

Answer 1

regulation of cell cycle is done by the factors produced by the genes, there are different genes that control cell cycle, the most studied ones include proto-oncogenes and tumour suppressing genes genes. any mutation in the protooncogenes may cause amodification in their expression causing overactivity and therefore causing uncontrolled growth and mitosis leading to the formation of a tumour.
any mutation in the tumour suppressing genes may cause a modification in their function and consequently may render them redundant in their expreesion of inhibition of mitosis.

Answer 2

Cancer results when cells begin multiplying too quickly. The resulting tumor takes up space and resources so the neighboring normal cells are crowded and don't have enough food.

A mutation in a gene that controls the cell cycle can let the cell cycle go too quickly.

Answer 3

Cancer is just uncontrolled cell growth. There's a gene that tells the cell "stop dividing now." If that gene is disrupted, the cell doesn't know when to stop dividing, and that's cancer. Disruption of the gene can be caused by viruses, chemicals, UV, or sometimes, just plain bad luck.

Answer 4

the cycle is controlled by a gene. when the structure of the controlling gene changes, the growth potential may cause an uncontrolled growth of the cells and may result in cancer, but may also not be a cause of cancer, but allow the formation of a benign growth of cells and creates a tumorous mass.

Answer 5

there are genes and proteins controlling cell cycle. If something is missing like if there is any problem during DNA replication, then somehow cells understand it, and stops cellular division until it is repaired or finished. When mutation happens in genes stopping division, then it does not stop dividing then it divides without control, and by time mutations increase.