DefinitionAutosomal dominant is one of several ways that a trait or disorder can be passed down through families.If a disease is autosomal dominant, it means you only need to get the abnormal gene from one parent in order for you to inherit the disease. One of the parents may often have the disease.Alternative NamesInheritance - autosomal dominant; Genetics - autosomal dominantInformationInheriting a disease, condition, or trait depends on the type of chromosome affected (autosomal or sex chromosome). It also depends on whether the trait is dominant or recessive.A single, abnormal gene on one of the first 22 nonsex chromosomes from either parent can cause an autosomal disorder.Dominant inheritance means an abnormal gene from one parent is capable of causing disease, even though the matchin