Autoimmune hepatitis is a disease in which the bodyâs immune system attacks liver cells of the same organism. This causes the liver to become inflamed, resulting in hepatitis.
1 Gene mutations that occur after birth. 2  Most gene mutations occur after you're born and aren't inherited. 3  A number of forces can cause gene mutations, such as smoking, radiation, viruses, cancer-causing chemicals (carcinogens), obesity, hormones, chronic inflammation and a lack of exercise.
This cause of mutation occurs when a piece of one chromosome is transferred to a non-homologous chromosome. The two chromosomes, that are often reciprocal, swap segments with each other. This genetic mutation is often responsible for chronic myelogenous leukemia.his cause of mutation occurs when a piece of one chromosome is transferred to a non-homologous chromosome. The two chromosomes, that are often reciprocal, swap segments with each other. This genetic mutation is often responsible for chronic myelogenous leukemia.