A mutation is a change in the sequence of an organism's DNA. What causes a mutation? Mutations can be caused by high-energy sources such as radiation or by chemicals in the environment. They can ...

Here is the same section of DNA but from another cell. If you can imagine that DNA is a twisted ladder, then each rung of the ladder is a pair of joined molecules, or a base pair. With this ...

Butterflies collected from sites near Fukushima 2 months after the power plant leaked radiation into the environment showed more than double the mutation rates of butterflies collected from other ...

Researchers at City of Hope have found that cell mutations are necessary but not always sufficient for tumors to form.

Genes are the inherited material you get from both your parents that are made from strands of molecules called DNA. Long ...

Mutations occur continuously and can be spontaneous. Most are caused by errors when the DNA is copied prior to cell division. They can also happen because of: ionising radiation close ionising ...

Eyes High doses can cause cataracts. Thyroid Radioactive iodine can build up and cause cancer, particularly during growth. Lungs Breathing in radioisotopes can damage DNA. Stomach Radioactive ...

A new study by Mayo Clinic Comprehensive Cancer Center researchers found that the presence of a specific genetic mutation — KRAS circulating tumor DNA (ctDNA) — strongly indicates a higher risk of ...