Figure 1. Pedigrees of the families with retinoschisis showed some families with an X-linked recessive pattern. Pedigrees of the families
with retinoschisis. Squares indicate males; circles indicate females; slashed symbols indicate deceased; solid symbols indicate
affected; open symbols indicate unaffected; open symbols with a spot indicate carrier; arrows below symbols indicate proband;
M indicates mutant; + indicates wild-type.