genomic assay copy number variation profiling assay Sequence variants (CNV, SNP arrays) genomics Profiling of copy number variations (CNVs) in healthy individuals from three ethnic groups using a human genome 32 K BAC-clone-based array. PMID:18058796 An assay that determines lost or amplified genomic regions of DNA by comparing genomic DNA originating from tissues from the same or different individuals using specific techniques such as CGH, array CGH, SNP genotyping CNV analysis