Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Copy number polymorphism
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Copy number polymorphism: Abbreviated CNP. A normal variation in DNA due to variation in the number of copies of a sequence within the DNA. Large-scale copy number polymorphisms are common and widely distributed in the human genome.
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