autosomal dominant vs autosomal recessive
Autosomal dominant. One mutated copy of the gene in each cell is sufficient for a person to be affected by an autosomal dominant disorder. Each affected person usually has one affected parent (illustration). Autosomal dominant disorders tend to occur in every generation of an affected family.Huntington disease, neurofibromatosis type 1. Autosomal recessive. Two mutated copies of the gene are present in each cell when a person has an autosomal recessive disorder.An affected person usually has unaffected parents who each carry a single copy of the mutated gene (and are referred to as carriers) (illustration).Autosomal recessive disorders are typically not seen in every generation of an affected family. cystic fibrosis, sickle cell anemia. X-linked dominant.utosomal dominant disorders tend to occur in every generation of an affected family. Huntington disease, neurofibromatosis type 1. Autosomal recessive. Two mutated copies of the gene are present in each cell when a person has an autosomal recessive disorder.