GeneReviews

autosomal dominant: Describes a trait or disorder in which the phenotype is expressed in those who have inherited only one copy of a particular gene mutation (heterozygotes); specifically refers to a gene on one of the 22 pairs of autosomes (non-sex chromosomes)

Pedigree Illustrating Autosomal Dominant Inheritance Pattern

autosomal dominant

Probability of Transmitting an Autosomal Dominant Gene Mutation to Offspring

autosomal dominant

Revised: 2-5-04

Related Terms: de novo mutation; germline mosaicism; heterozygote; mode of inheritance; penetrance; variable expressivity

Case Example Full Glossary Help