Figure 1 of Abidi, Mol Vis 2011; 17:3541-3547.

Figure 1. Segregation of the c.719–2A>G splice mutation in the RB20 and RB21 families associated with unilateral retinoblastoma. The genotype is provided for the tested members as wt/+ for heterozygous carriers and wt/wt for homozygous relatives. Half-filled symbols: affected unilateral patients; dotted symbols: unaffected carriers.