342371.fig.001
Figure 1: The family pedigree and sequencing chromatograms of the UGT1A1 gene showing a homozygous two bp deletion (c.238_240delAG, exon 1) in the proband from family A and a heterozygous deletion in the father and the mother of each case; appearance of her chromatogram is comparable to that of a normal control; N, normal.