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.
Some genetic disorders are caused by mutations in the DNA of genes. Other disorders are caused by changes in the overall structure or number of chromosomes.14 people found this useful.Edit.erge this question into. Split and merge into it. Answered by The Community. Making the world better, one answer at a time. Genetic disorders are commonly passed down or caused by mutations. In humans mutations can be caused by errors in mitosis or by mutagenic agents.