Fig. 4.
Pedigree of a family, and sequences of regions with mutations in the XLRS1 gene. The blackened symbol denotes phenotypically affected individual. Asterisks(*) denote individuals whose leukocyte DNA was analyzed. Direct sequencing of exon 4. The patient had a missense mutation (Leu103Phe). The altered nucleotides are shown in boldface and are denoted with arrows.