Figure 2.

(A) Pedigree of family PD1 and haplotypes at 7q36 using microsatellite markers. The region in affected subjects segregating with the phenotype is boxed. Clinically examined individuals are shown by a horizontal line over the symbol. (B) Phenotypic appearance of affected subjects in the family PD1 with PPD triphalangial thumb. (a and b) The hands and feet of III-12, (c) clinical appearance of hands of male subject III-6, (d) radiograph of III-6 demonstrating duplicated thumbs with three phalanges.