Fig. 4From: A donor splice site mutation in CISD2 generates multiple truncated, non-functional isoforms in Wolfram syndrome type 2 patientsSNP genotyping. The sequence chromatograms comparing the probands (1 and 2) and the healthy control (CTR) that are homozygous for rs223332 and the parents (3 and 4) that are heterozygous for rs223332. The black arrows indicates the heterozygous and homozygous SNPBack to article page