qBiomarker Copy Number PCR Arrays are designed to measure the number of copies for a panel of genomic loci that are associated with signaling pathways or diseases. These arrays detect either germline (copy number variations, or CNV) or acquired changes (copy number alterations, or CNA) in copy number. The genomic loci are selected from comprehensive curated databases, such as the Database of Genomic Variants (DGV), and literature reviews based on their clinical or functional relevance and frequency of occurrence.