The following information may help to address your question:
A condition is autosomal dominant if having only one changed (
In autosomal recessive inheritance, a person must have a mutation in both copies of the responsible gene in each cell to have EB. Typically, a person with EB inherits one mutated copy of the gene from each parent, who are referred to as
Epidermolysis bullosa acquisita (an acquired form of EB) is a rare autoimmune disorder and is not inherited.