Figure 1 of Lin, Mol Vis 2011; 17:2564-2569.

Figure 1. The pedigree of Chinese families with choroideremia. Square symbols denote males, and circular symbols denote females. The shaded symbols indicate ophthalmologist-confirmed choroideremia (CHM). The circles with a dot indicate female carriers. The arrow points to the proband. The transmission pattern suggested that the CHM was inherited in an X-linked hereditary manner. Panel A represents Family 1, panel B represents Family 2.