Figure 1 of Gao, Mol Vis 2016; 22:234-242.

Figure 1. Pedigree structure of the Chinese family with autosomal dominant retinitis pigmentosa (adRP). The squares and cycles represent males and females respectively. Filled symbols represent affected patients while the empty symbols represent unaffected individuals. Wild-type (−/−), heterozygous (+/−) carrier of the mutation. The proband is indicated by arrow. The symbols with a question mark represent the individuals with unknown phenotype.