title: Dominant traits may give rise to paired patches of either excessive or absent involvement.
mesh_terms: D002648:Child; D005799:Genes, Dominant; D006579:Heterozygote; D006720:Homozygote; D006801:Humans; D017488:Hyperkeratosis, Epidermolytic / Q000196:embryology / Q000235:genetics*; D008297:Male; D008957:Models, Genetic; D010641:Phenotype