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Figure 1 Electropherogram of the mutated (upper) and normal (lower) sequence of PRPF31 in. As the mutation is heterozygous, the upper image shows both the mutated and normal sequences superimposed. The arrow on the mutated sequence denotes the beginning of the deleted sequence, while the arrow on the normal sequence marks the boundary between exon 6 and intron 6. Sequence was generated from PCR‐amplified DNA on a Pharmacia MegaBACE automated DNA sequencer.
