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- Download and install the Integrative Genome Viewer from the Broad Institute. See Download.
- Select "Human hg18" or "Human hg19" as the reference genome
- Get some data: File > Load from Server… > 1000 genomes > Alignments > CEU Trio WGS > select those 3 samples
- Navigate to the rightmost exons of the GABBR1 gene
- Zoom in until you find some SNPs - they might be in exons or introns; there is also at least one example of a short insertion variant between exons 2 and 3
- Load and look at the SNP track: File > Load from server > Annotations > Variants and Repeats > dbSNP
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