Fig. 1From: Analysis of the relationship between the mutation site of the SLC39A4 gene and acrodermatitis enteropathica by reporting a rare Chinese twin: a case report and review of the literaturePedigrees of the families. Icons corresponding to the individuals we examined are marked. People exhibiting a mutation in both alleles of SLC39A4 are identified by symbols filled in black. Heterozygote carriers for a unique mutation are symbolized by half-filled icons. By default, all the untested people, including some parents, are represented by white iconsBack to article page