title: A and B postaxial polydactyly in two members of the same family.
abstract: Two cases of previously unreported simultaneous presence of A and B postaxial polydactyly in two brothers out of 12 affected members of a kindred are reported. The findings are consistent with the hypothesis that in this family A and b types of postaxial polydactyly are caused by a single gene rather than by two different genes.
mesh_terms: D000328:Adult; D003878:Dermatoglyphics; D005385:Fingers / Q000002:abnormalities*; D006801:Humans; D008297:Male; D010375:Pedigree; D014034:Toes / Q000002:abnormalities*