Fig. 1From: A novel mutation in GLUD1 causing hyperinsulinism-hyperammonemia in a patient with high density of homozygosity on microarray: a case reportChromosomal microarray analysis. Showing both the karyotype homozygous regions (>1 Mb) in the upper image and the specific single nucleotide polymorphism allele calls in the lower image. Purple bars indicate the absence of heterozygosity with the gaps in the midline heterozygote tractBack to article page