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Genome-Wide Human SNP Array 5.0
Can you provide more information about the 420.000 non polymorphic probes and their application?
100K probes were picked to cover 2000 germline copy number variants (CNV) identified in the UCSC database with 50 probes each. The other 320,000 were picked to give even spacing across the genome, concentrating on areas that do not already have SNP coverage.