An instrument employed in genomic analysis determines the quantity of specific deoxyribonucleic acid (DNA) segments present in a sample relative to a reference genome. For instance, if a particular gene sequence is duplicated multiple times within a cancer cells genome, the tool identifies and quantifies these amplifications. Conversely, it can detect deletions where segments of DNA are missing.
This determination is crucial for understanding genetic variation within populations, identifying disease markers, and evaluating the efficacy of therapeutic interventions. Its development facilitated a deeper comprehension of genomic instability in diseases such as cancer, allowing researchers to track tumor evolution and resistance to treatments. Furthermore, it enables more accurate diagnoses and personalized treatment strategies based on an individual’s unique genomic profile.